51294339315 has 32 divisors (see below), whose sum is σ = 93654538560. Its totient is φ = 26617600512.

The previous prime is 51294339289. The next prime is 51294339323. The reversal of 51294339315 is 51393349215.

51294339315 is a `hidden beast` number, since 5 + 129 + 433 + 93 + 1 + 5 = 666.

51294339315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51294339315 - 2⁹ = 51294338803 is a prime.

It is a super-2 number, since 2×51294339315² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5129574 + ... + 5139563.

It is an arithmetic number, because the mean of its divisors is an integer number (2926704330).

Almost surely, 2^51294339315 is an apocalyptic number.

51294339315 is a deficient number, since it is larger than the sum of its proper divisors (42360199245).

51294339315 is a wasteful number, since it uses less digits than its factorization.

51294339315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269188 (or 10269182 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The spelling of 51294339315 in words is "fifty-one billion, two hundred ninety-four million, three hundred thirty-nine thousand, three hundred fifteen".