51233104116 has 108 divisors (see below), whose sum is σ = 136821196512. Its totient is φ = 16162257888.

The previous prime is 51233104081. The next prime is 51233104121. The reversal of 51233104116 is 61140133215.

It is a happy number.

51233104116 is a `hidden beast` number, since 5 + 1 + 233 + 10 + 411 + 6 = 666.

It is a super-2 number, since 2×51233104116² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51233104116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21143281 + ... + 21145703.

Almost surely, 2^51233104116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51233104116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68410598256).

51233104116 is an abundant number, since it is smaller than the sum of its proper divisors (85588092396).

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

51233104116 is a wasteful number, since it uses less digits than its factorization.

51233104116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098 (or 4074 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 51233104116 in words is "fifty-one billion, two hundred thirty-three million, one hundred four thousand, one hundred sixteen".