51345311354315 has 32 divisors (see below), whose sum is σ = 69543653284800. Its totient is φ = 36049103749120.

The previous prime is 51345311354237. The next prime is 51345311354333.

51345311354315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51345311354315 - 2¹² = 51345311350219 is a prime.

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, 8543051 + ... + 13254219.

It is an arithmetic number, because the mean of its divisors is an integer number (2173239165150).

Almost surely, 2^{51345311354315} is an apocalyptic number.

51345311354315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51345311354315 is a deficient number, since it is larger than the sum of its proper divisors (18198341930485).

51345311354315 is a wasteful number, since it uses less digits than its factorization.

51345311354315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718047.

The product of its digits is 810000, while the sum is 44.

It can be divided in two parts, 5134531 and 1354315, that added together give a palindrome (6488846).

The spelling of 51345311354315 in words is "fifty-one trillion, three hundred forty-five billion, three hundred eleven million, three hundred fifty-four thousand, three hundred fifteen".