111812945032 has 8 divisors (see below), whose sum is σ = 209649271950. Its totient is φ = 55906472512.

The previous prime is 111812944949. The next prime is 111812945033. The reversal of 111812945032 is 230549218111.

It can be written as a sum of positive squares in only one way, i.e., 107758566756 + 4054378276 = 328266^2 + 63674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 111812944982 and 111812945000.

It is not an unprimeable number, because it can be changed into a prime (111812945033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6988309057 + ... + 6988309072.

Almost surely, 2^111812945032 is an apocalyptic number.

It is an amenable number.

111812945032 is a deficient number, since it is larger than the sum of its proper divisors (97836326918).

111812945032 is a wasteful number, since it uses less digits than its factorization.

111812945032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13976618135 (or 13976618131 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 111812945032 in words is "one hundred eleven billion, eight hundred twelve million, nine hundred forty-five thousand, thirty-two".