111187568704 has 21 divisors (see below), whose sum is σ = 220643125261. Its totient is φ = 55592450560.

The previous prime is 111187568671. The next prime is 111187568707. The reversal of 111187568704 is 407865781111.

The square root of 111187568704 is 333448.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 93974128704 + 17213440000 = 306552^2 + 131200^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111187568707) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2646744 + ... + 2688424.

Almost surely, 2^111187568704 is an apocalyptic number.

111187568704 is the 333448-th square number.

It is an amenable number.

111187568704 is a deficient number, since it is larger than the sum of its proper divisors (109455556557).

111187568704 is an frugal number, since it uses more digits than its factorization.

111187568704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83374 (or 41683 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 49.

Multiplying 111187568704 by its sum of digits (49), we get a square (5448190866496 = 2334136²).

The spelling of 111187568704 in words is "one hundred eleven billion, one hundred eighty-seven million, five hundred sixty-eight thousand, seven hundred four".