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1105531502885 = 5221106300577
BaseRepresentation
bin10000000101100110110…
…100000000000100100101
310220200120101120020011222
4100011212310000010211
5121103112031043020
62203512452510125
7142605046504055
oct20054664000445
93820511506158
101105531502885
11396942791a87
1215a31431b345
1380335a9bcc4
143b717da1565
151db563e4b25
hex10166d00125

1105531502885 has 4 divisors (see below), whose sum is σ = 1326637803468. Its totient is φ = 884425202304.

The previous prime is 1105531502857. The next prime is 1105531502917. The reversal of 1105531502885 is 5882051355011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 441291832804 + 664239670081 = 664298^2 + 815009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105531502885 - 26 = 1105531502821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110553150284 + ... + 110553150293.

It is an arithmetic number, because the mean of its divisors is an integer number (331659450867).

Almost surely, 21105531502885 is an apocalyptic number.

It is an amenable number.

1105531502885 is a deficient number, since it is larger than the sum of its proper divisors (221106300583).

1105531502885 is an equidigital number, since it uses as much as digits as its factorization.

1105531502885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221106300582.

The product of its (nonzero) digits is 240000, while the sum is 44.

Adding to 1105531502885 its reverse (5882051355011), we get a palindrome (6987582857896).

The spelling of 1105531502885 in words is "one trillion, one hundred five billion, five hundred thirty-one million, five hundred two thousand, eight hundred eighty-five".

Divisors: 1 5 221106300577 1105531502885