51162551405436 has 48 divisors (see below), whose sum is σ = 125663050517760. Its totient is φ = 16156512437760.

The previous prime is 51162551405377. The next prime is 51162551405467. The reversal of 51162551405436 is 63450415526115.

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, 56408041 + ... + 57307871.

It is an arithmetic number, because the mean of its divisors is an integer number (2617980219120).

Almost surely, 2^{51162551405436} is an apocalyptic number.

It is an amenable number.

51162551405436 is an abundant number, since it is smaller than the sum of its proper divisors (74500499112324).

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

51162551405436 is a wasteful number, since it uses less digits than its factorization.

51162551405436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149234 (or 1149232 counting only the distinct ones).

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

The spelling of 51162551405436 in words is "fifty-one trillion, one hundred sixty-two billion, five hundred fifty-one million, four hundred five thousand, four hundred thirty-six".