111997536954 has 16 divisors (see below), whose sum is σ = 225056664480. Its totient is φ = 37155580560.

The previous prime is 111997536947. The next prime is 111997537007. The reversal of 111997536954 is 459635799111.

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, 44231569 + ... + 44234100.

It is an arithmetic number, because the mean of its divisors is an integer number (14066041530).

Almost surely, 2^111997536954 is an apocalyptic number.

111997536954 is an abundant number, since it is smaller than the sum of its proper divisors (113059127526).

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

111997536954 is a wasteful number, since it uses less digits than its factorization.

111997536954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88465885.

The product of its digits is 9185400, while the sum is 60.

The spelling of 111997536954 in words is "one hundred eleven billion, nine hundred ninety-seven million, five hundred thirty-six thousand, nine hundred fifty-four".