51199680243024 has 120 divisors (see below), whose sum is σ = 145331841470400. Its totient is φ = 16823209213440.

The previous prime is 51199680243001. The next prime is 51199680243037. The reversal of 51199680243024 is 42034208699115.

It is a happy number.

51199680243024 is a `hidden beast` number, since 5 + 119 + 96 + 8 + 0 + 2 + 430 + 2 + 4 = 666.

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, 57724207 + ... + 58604465.

It is an arithmetic number, because the mean of its divisors is an integer number (1211098678920).

Almost surely, 2^{51199680243024} 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 51199680243024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72665920735200).

51199680243024 is an abundant number, since it is smaller than the sum of its proper divisors (94132161227376).

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

51199680243024 is a wasteful number, since it uses less digits than its factorization.

51199680243024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886033 (or 886024 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 51199680243024 in words is "fifty-one trillion, one hundred ninety-nine billion, six hundred eighty million, two hundred forty-three thousand, twenty-four".