105525256636 has 6 divisors (see below), whose sum is σ = 184669199120. Its totient is φ = 52762628316.

The previous prime is 105525256633. The next prime is 105525256643. The reversal of 105525256636 is 636652525501.

It is a happy number.

It is a super-2 number, since 2×105525256636² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105525256633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13190657076 + ... + 13190657083.

Almost surely, 2^105525256636 is an apocalyptic number.

It is an amenable number.

105525256636 is a deficient number, since it is larger than the sum of its proper divisors (79143942484).

105525256636 is a wasteful number, since it uses less digits than its factorization.

105525256636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26381314163 (or 26381314161 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 105525256636 in words is "one hundred five billion, five hundred twenty-five million, two hundred fifty-six thousand, six hundred thirty-six".