51015116112 has 80 divisors (see below), whose sum is σ = 132312960000. Its totient is φ = 16937569152.

The previous prime is 51015116093. The next prime is 51015116123. The reversal of 51015116112 is 21161151015.

51015116112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18900139 + ... + 18902837.

It is an arithmetic number, because the mean of its divisors is an integer number (1653912000).

Almost surely, 2^51015116112 is an apocalyptic number.

It is an amenable number.

51015116112 is an abundant number, since it is smaller than the sum of its proper divisors (81297843888).

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

51015116112 is a wasteful number, since it uses less digits than its factorization.

51015116112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128 (or 4122 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 24.

Adding to 51015116112 its reverse (21161151015), we get a palindrome (72176267127).

The spelling of 51015116112 in words is "fifty-one billion, fifteen million, one hundred sixteen thousand, one hundred twelve".