111306697956 has 36 divisors (see below), whose sum is σ = 281368881612. Its totient is φ = 37100876544.

The previous prime is 111306697939. The next prime is 111306697961. The reversal of 111306697956 is 659796603111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52708813056 + 58597884900 = 229584^2 + 242070^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1639176 + ... + 1705728.

It is an arithmetic number, because the mean of its divisors is an integer number (7815802267).

Almost surely, 2^111306697956 is an apocalyptic number.

It is an amenable number.

111306697956 is an abundant number, since it is smaller than the sum of its proper divisors (170062183656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111306697956 is a wasteful number, since it uses less digits than its factorization.

111306697956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113020 (or 113015 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 111306697956 in words is "one hundred eleven billion, three hundred six million, six hundred ninety-seven thousand, nine hundred fifty-six".