111302943872 has 32 divisors (see below), whose sum is σ = 221762999100. Its totient is φ = 55644779520.

The previous prime is 111302943859. The next prime is 111302943931. The reversal of 111302943872 is 278349203111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109095447616 + 2207496256 = 330296^2 + 46984^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118222 + ... + 1213682.

Almost surely, 2^111302943872 is an apocalyptic number.

It is an amenable number.

111302943872 is a deficient number, since it is larger than the sum of its proper divisors (110460055228).

111302943872 is an frugal number, since it uses more digits than its factorization.

111302943872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104584 (or 104572 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 111302943872 in words is "one hundred eleven billion, three hundred two million, nine hundred forty-three thousand, eight hundred seventy-two".