54112520111 has 16 divisors (see below), whose sum is σ = 59029555200. Its totient is φ = 49303639008.

The previous prime is 54112520107. The next prime is 54112520129. The reversal of 54112520111 is 11102521145.

It is a happy number.

It is not a de Polignac number, because 54112520111 - 2² = 54112520107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54112520311) 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, 5663240 + ... + 5672786.

It is an arithmetic number, because the mean of its divisors is an integer number (3689347200).

Almost surely, 2^54112520111 is an apocalyptic number.

54112520111 is a deficient number, since it is larger than the sum of its proper divisors (4917035089).

54112520111 is a wasteful number, since it uses less digits than its factorization.

54112520111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15158.

The product of its (nonzero) digits is 400, while the sum is 23.

The spelling of 54112520111 in words is "fifty-four billion, one hundred twelve million, five hundred twenty thousand, one hundred eleven".