51234155046165 has 64 divisors (see below), whose sum is σ = 106826690750976. Its totient is φ = 20347941076992.

The previous prime is 51234155046161. The next prime is 51234155046203. The reversal of 51234155046165 is 56164055143215.

It is not a de Polignac number, because 51234155046165 - 2² = 51234155046161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234155046161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1103923252 + ... + 1103969661.

It is an arithmetic number, because the mean of its divisors is an integer number (1669167042984).

Almost surely, 2^{51234155046165} is an apocalyptic number.

It is an amenable number.

51234155046165 is an abundant number, since it is smaller than the sum of its proper divisors (55592535704811).

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

51234155046165 is a wasteful number, since it uses less digits than its factorization.

51234155046165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207892958.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 51234155046165 in words is "fifty-one trillion, two hundred thirty-four billion, one hundred fifty-five million, forty-six thousand, one hundred sixty-five".