105055511061 has 4 divisors (see below), whose sum is σ = 140074014752. Its totient is φ = 70037007372.

The previous prime is 105055511053. The next prime is 105055511107. The reversal of 105055511061 is 160115550501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 105055511061 - 2³ = 105055511053 is a prime.

It is a super-2 number, since 2×105055511061² (a number of 23 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 (105055511261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17509251841 + ... + 17509251846.

It is an arithmetic number, because the mean of its divisors is an integer number (35018503688).

Almost surely, 2^105055511061 is an apocalyptic number.

It is an amenable number.

105055511061 is a deficient number, since it is larger than the sum of its proper divisors (35018503691).

105055511061 is an equidigital number, since it uses as much as digits as its factorization.

105055511061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35018503690.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 105055511061 in words is "one hundred five billion, fifty-five million, five hundred eleven thousand, sixty-one".