111424301988 has 24 divisors (see below), whose sum is σ = 260020430208. Its totient is φ = 37137092256.

The previous prime is 111424301957. The next prime is 111424301999. The reversal of 111424301988 is 889103424111.

It is a super-5 number, since 5×111424301988⁵ (a number of 56 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434931 + ... + 641882.

It is an arithmetic number, because the mean of its divisors is an integer number (10834184592).

Almost surely, 2^111424301988 is an apocalyptic number.

It is an amenable number.

111424301988 is an abundant number, since it is smaller than the sum of its proper divisors (148596128220).

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

111424301988 is a wasteful number, since it uses less digits than its factorization.

111424301988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085443 (or 1085441 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 111424301988 in words is "one hundred eleven billion, four hundred twenty-four million, three hundred one thousand, nine hundred eighty-eight".