111564860054 has 4 divisors (see below), whose sum is σ = 167347290084. Its totient is φ = 55782430026.

The previous prime is 111564860021. The next prime is 111564860081. The reversal of 111564860054 is 450068465111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111564859993 and 111564860020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27891215012 + ... + 27891215015.

It is an arithmetic number, because the mean of its divisors is an integer number (41836822521).

Almost surely, 2^111564860054 is an apocalyptic number.

111564860054 is a deficient number, since it is larger than the sum of its proper divisors (55782430030).

111564860054 is an equidigital number, since it uses as much as digits as its factorization.

111564860054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55782430029.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 111564860054 in words is "one hundred eleven billion, five hundred sixty-four million, eight hundred sixty thousand, fifty-four".