111285885968 has 20 divisors (see below), whose sum is σ = 215942621868. Its totient is φ = 55558757760.

The previous prime is 111285885961. The next prime is 111285885973. The reversal of 111285885968 is 869588582111.

It can be written as a sum of positive squares in 2 ways, for example, as 60916163344 + 50369722624 = 246812^2 + 224432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111285885968.

It is not an unprimeable number, because it can be changed into a prime (111285885961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250671 + ... + 5271822.

Almost surely, 2^111285885968 is an apocalyptic number.

It is an amenable number.

111285885968 is a deficient number, since it is larger than the sum of its proper divisors (104656735900).

111285885968 is a wasteful number, since it uses less digits than its factorization.

111285885968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10523162 (or 10523156 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 62.

The spelling of 111285885968 in words is "one hundred eleven billion, two hundred eighty-five million, eight hundred eighty-five thousand, nine hundred sixty-eight".