111162831066 has 48 divisors (see below), whose sum is σ = 275887497600. Its totient is φ = 31688445024.

The previous prime is 111162831053. The next prime is 111162831077. The reversal of 111162831066 is 660138261111.

It is a happy number.

111162831066 is a `hidden beast` number, since 1 + 1 + 11 + 628 + 3 + 10 + 6 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111162831066.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949521 + ... + 1060148.

It is an arithmetic number, because the mean of its divisors is an integer number (5747656200).

Almost surely, 2^111162831066 is an apocalyptic number.

111162831066 is an abundant number, since it is smaller than the sum of its proper divisors (164724666534).

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

111162831066 is a wasteful number, since it uses less digits than its factorization.

111162831066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010123 (or 2010120 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 111162831066 in words is "one hundred eleven billion, one hundred sixty-two million, eight hundred thirty-one thousand, sixty-six".