111785560436 has 12 divisors (see below), whose sum is σ = 213408797280. Its totient is φ = 50811618360.

The previous prime is 111785560399. The next prime is 111785560477. The reversal of 111785560436 is 634065587111.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270290416 + ... + 1270290503.

It is an arithmetic number, because the mean of its divisors is an integer number (17784066440).

Almost surely, 2^111785560436 is an apocalyptic number.

It is an amenable number.

111785560436 is a deficient number, since it is larger than the sum of its proper divisors (101623236844).

111785560436 is a wasteful number, since it uses less digits than its factorization.

111785560436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540580934 (or 2540580932 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 111785560436 in words is "one hundred eleven billion, seven hundred eighty-five million, five hundred sixty thousand, four hundred thirty-six".