111218388159 has 16 divisors (see below), whose sum is σ = 157169881440. Its totient is φ = 69714892800.

The previous prime is 111218388119. The next prime is 111218388191. The reversal of 111218388159 is 951883812111.

It is not a de Polignac number, because 111218388159 - 2²⁸ = 110949952703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111218388119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029192 + ... + 1132109.

It is an arithmetic number, because the mean of its divisors is an integer number (9823117590).

Almost surely, 2^111218388159 is an apocalyptic number.

111218388159 is a deficient number, since it is larger than the sum of its proper divisors (45951493281).

111218388159 is a wasteful number, since it uses less digits than its factorization.

111218388159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162330.

The product of its digits is 138240, while the sum is 48.

The spelling of 111218388159 in words is "one hundred eleven billion, two hundred eighteen million, three hundred eighty-eight thousand, one hundred fifty-nine".