51487774537315 has 64 divisors (see below), whose sum is σ = 66258581760000. Its totient is φ = 38296153658880.

The previous prime is 51487774537307. The next prime is 51487774537333. The reversal of 51487774537315 is 51373547778415.

It is not a de Polignac number, because 51487774537315 - 2³ = 51487774537307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 830269660 + ... + 830331670.

It is an arithmetic number, because the mean of its divisors is an integer number (1035290340000).

Almost surely, 2^{51487774537315} is an apocalyptic number.

51487774537315 is a deficient number, since it is larger than the sum of its proper divisors (14770807222685).

51487774537315 is a wasteful number, since it uses less digits than its factorization.

51487774537315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62780.

The product of its digits is 345744000, while the sum is 67.

The spelling of 51487774537315 in words is "fifty-one trillion, four hundred eighty-seven billion, seven hundred seventy-four million, five hundred thirty-seven thousand, three hundred fifteen".