111842245458 has 12 divisors (see below), whose sum is σ = 242324865198. Its totient is φ = 37280748480.

The previous prime is 111842245457. The next prime is 111842245477. The reversal of 111842245458 is 854542248111.

111842245458 is a `hidden beast` number, since 1 + 1 + 1 + 84 + 2 + 24 + 545 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 87748065729 + 24094179729 = 296223^2 + 155223^2 .

It is not an unprimeable number, because it can be changed into a prime (111842245451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3106729023 + ... + 3106729058.

Almost surely, 2^111842245458 is an apocalyptic number.

111842245458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

111842245458 is an abundant number, since it is smaller than the sum of its proper divisors (130482619740).

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

111842245458 is a wasteful number, since it uses less digits than its factorization.

111842245458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213458089 (or 6213458086 counting only the distinct ones).

The product of its digits is 409600, while the sum is 45.

The spelling of 111842245458 in words is "one hundred eleven billion, eight hundred forty-two million, two hundred forty-five thousand, four hundred fifty-eight".