51233411116116 has 72 divisors (see below), whose sum is σ = 133041201517224. Its totient is φ = 16614072668160.

The previous prime is 51233411116109. The next prime is 51233411116141. The reversal of 51233411116116 is 61161111433215.

51233411116116 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 34 + 1 + 1 + 1 + 1 + 611 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3134386976400 + 48099024139716 = 1770420^2 + 6935346^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48644671 + ... + 49686726.

It is an arithmetic number, because the mean of its divisors is an integer number (1847794465517).

Almost surely, 2^{51233411116116} is an apocalyptic number.

It is an amenable number.

51233411116116 is an abundant number, since it is smaller than the sum of its proper divisors (81807790401108).

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

51233411116116 is a wasteful number, since it uses less digits than its factorization.

51233411116116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98331801 (or 98331796 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The spelling of 51233411116116 in words is "fifty-one trillion, two hundred thirty-three billion, four hundred eleven million, one hundred sixteen thousand, one hundred sixteen".