51305064244315 has 24 divisors (see below), whose sum is σ = 72013359377232. Its totient is φ = 34986247410240.

The previous prime is 51305064244297. The next prime is 51305064244339. The reversal of 51305064244315 is 51344246050315.

It is not a de Polignac number, because 51305064244315 - 2¹⁷ = 51305064113243 is a prime.

It is a super-2 number, since 2×51305064244315² (a number of 28 digits) contains 22 as substring.

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, 578431969 + ... + 578520658.

It is an arithmetic number, because the mean of its divisors is an integer number (3000556640718).

Almost surely, 2^{51305064244315} is an apocalyptic number.

51305064244315 is a deficient number, since it is larger than the sum of its proper divisors (20708295132917).

51305064244315 is a wasteful number, since it uses less digits than its factorization.

51305064244315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156952827 (or 1156952820 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 51305064244315 in words is "fifty-one trillion, three hundred five billion, sixty-four million, two hundred forty-four thousand, three hundred fifteen".