111564162402 has 64 divisors (see below), whose sum is σ = 278224118784. Its totient is φ = 28973730240.

The previous prime is 111564162397. The next prime is 111564162403. The reversal of 111564162402 is 204261465111.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (111564162403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4995553 + ... + 5017835.

It is an arithmetic number, because the mean of its divisors is an integer number (4347251856).

Almost surely, 2^111564162402 is an apocalyptic number.

111564162402 is an abundant number, since it is smaller than the sum of its proper divisors (166659956382).

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

111564162402 is a wasteful number, since it uses less digits than its factorization.

111564162402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33143.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 111564162402 in words is "one hundred eleven billion, five hundred sixty-four million, one hundred sixty-two thousand, four hundred two".