111163661024 has 48 divisors (see below), whose sum is σ = 235757915568. Its totient is φ = 51291159552.

The previous prime is 111163661023. The next prime is 111163661033. The reversal of 111163661024 is 420166361111.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111163661023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437884 + ... + 1513220.

It is an arithmetic number, because the mean of its divisors is an integer number (4911623241).

Almost surely, 2^111163661024 is an apocalyptic number.

It is an amenable number.

111163661024 is an abundant number, since it is smaller than the sum of its proper divisors (124594254544).

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

111163661024 is a wasteful number, since it uses less digits than its factorization.

111163661024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78907 (or 78899 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 111163661024 in words is "one hundred eleven billion, one hundred sixty-three million, six hundred sixty-one thousand, twenty-four".