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105055501101061 = 726029355612841
BaseRepresentation
bin10111111000110000100011…
…110100110010100000000101
3111202222012121111112201022111
4113320300203310302200011
5102232212131240213221
61011233455252301021
731062003152365600
oct2770604364624005
9452865544481274
10105055501101061
11305238736423a5
12b948562911771
1346808ca887ac4
141bd29db74b337
15c22b047c1be1
hex5f8c23d32805

105055501101061 has 12 divisors (see below), whose sum is σ = 122227689923820. Its totient is φ = 90032636379840.

The previous prime is 105055501101053. The next prime is 105055501101073. The reversal of 105055501101061 is 160101105550501.

It can be written as a sum of positive squares in 2 ways, for example, as 101526400712961 + 3529100388100 = 10076031^2 + 1878590^2 .

It is not a de Polignac number, because 105055501101061 - 23 = 105055501101053 is a prime.

It is a super-2 number, since 2×1050555011010612 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105055501101041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177511000 + ... + 178101841.

It is an arithmetic number, because the mean of its divisors is an integer number (10185640826985).

Almost surely, 2105055501101061 is an apocalyptic number.

It is an amenable number.

105055501101061 is a deficient number, since it is larger than the sum of its proper divisors (17172188822759).

105055501101061 is an equidigital number, since it uses as much as digits as its factorization.

105055501101061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355618884 (or 355618877 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 31.

Adding to 105055501101061 its reverse (160101105550501), we get a palindrome (265156606651562).

The spelling of 105055501101061 in words is "one hundred five trillion, fifty-five billion, five hundred one million, one hundred one thousand, sixty-one".

Divisors: 1 7 49 6029 42203 295421 355612841 2489289887 17425029209 2143989818389 15007928728723 105055501101061