51372320361275 has 6 divisors (see below), whose sum is σ = 63701677248012. Its totient is φ = 41097856289000.

The previous prime is 51372320361251. The next prime is 51372320361331. The reversal of 51372320361275 is 57216302327315.

51372320361275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-51372320361275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1027446407201 + ... + 1027446407250.

It is an arithmetic number, because the mean of its divisors is an integer number (10616946208002).

Almost surely, 2^{51372320361275} is an apocalyptic number.

51372320361275 is a deficient number, since it is larger than the sum of its proper divisors (12329356886737).

51372320361275 is a wasteful number, since it uses less digits than its factorization.

51372320361275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054892814461 (or 2054892814456 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 51372320361275 in words is "fifty-one trillion, three hundred seventy-two billion, three hundred twenty million, three hundred sixty-one thousand, two hundred seventy-five".