111354142056 has 16 divisors (see below), whose sum is σ = 278385355200. Its totient is φ = 37118047344.

The previous prime is 111354142043. The next prime is 111354142057. The reversal of 111354142056 is 650241453111.

It is not an unprimeable number, because it can be changed into a prime (111354142057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319877936 + ... + 2319877983.

It is an arithmetic number, because the mean of its divisors is an integer number (17399084700).

Almost surely, 2^111354142056 is an apocalyptic number.

It is an amenable number.

111354142056 is an abundant number, since it is smaller than the sum of its proper divisors (167031213144).

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

111354142056 is a wasteful number, since it uses less digits than its factorization.

111354142056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639755928 (or 4639755924 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 111354142056 its reverse (650241453111), we get a palindrome (761595595167).

The spelling of 111354142056 in words is "one hundred eleven billion, three hundred fifty-four million, one hundred forty-two thousand, fifty-six".