111528538796984 has 16 divisors (see below), whose sum is σ = 209117560944600. Its totient is φ = 55763855878432.

The previous prime is 111528538796959. The next prime is 111528538796999. The reversal of 111528538796984 is 489697835825111.

It is a super-2 number, since 2×111528538796984² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50542262 + ... + 52702725.

Almost surely, 2^{111528538796984} is an apocalyptic number.

It is an amenable number.

111528538796984 is a deficient number, since it is larger than the sum of its proper divisors (97589022147616).

111528538796984 is a wasteful number, since it uses less digits than its factorization.

111528538796984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103380022 (or 103380018 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 77.

The spelling of 111528538796984 in words is "one hundred eleven trillion, five hundred twenty-eight billion, five hundred thirty-eight million, seven hundred ninety-six thousand, nine hundred eighty-four".