105715809692 has 24 divisors (see below), whose sum is σ = 192176236560. Its totient is φ = 50823440640.

The previous prime is 105715809649. The next prime is 105715809733. The reversal of 105715809692 is 296908517501.

It is a happy number.

It is a super-2 number, since 2×105715809692² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862798 + ... + 1918709.

It is an arithmetic number, because the mean of its divisors is an integer number (8007343190).

Almost surely, 2^105715809692 is an apocalyptic number.

It is an amenable number.

105715809692 is a deficient number, since it is larger than the sum of its proper divisors (86460426868).

105715809692 is a wasteful number, since it uses less digits than its factorization.

105715809692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781781 (or 3781779 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 105715809692 in words is "one hundred five billion, seven hundred fifteen million, eight hundred nine thousand, six hundred ninety-two".