105655431725 has 12 divisors (see below), whose sum is σ = 131534706240. Its totient is φ = 84187590000.

The previous prime is 105655431689. The next prime is 105655431737. The reversal of 105655431725 is 527134556501.

It is not a de Polignac number, because 105655431725 - 2²² = 105651237421 is a prime.

It is a super-2 number, since 2×105655431725² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8412485 + ... + 8425034.

It is an arithmetic number, because the mean of its divisors is an integer number (10961225520).

Almost surely, 2^105655431725 is an apocalyptic number.

It is an amenable number.

105655431725 is a deficient number, since it is larger than the sum of its proper divisors (25879274515).

105655431725 is a wasteful number, since it uses less digits than its factorization.

105655431725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16837780 (or 16837775 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 105655431725 in words is "one hundred five billion, six hundred fifty-five million, four hundred thirty-one thousand, seven hundred twenty-five".