51337673315 has 4 divisors (see below), whose sum is σ = 61605207984. Its totient is φ = 41070138648.

The previous prime is 51337673311. The next prime is 51337673347.

51337673315 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51337673315 - 2² = 51337673311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51337673311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5133767327 + ... + 5133767336.

It is an arithmetic number, because the mean of its divisors is an integer number (15401301996).

Almost surely, 2^51337673315 is an apocalyptic number.

51337673315 is a deficient number, since it is larger than the sum of its proper divisors (10267534669).

51337673315 is a wasteful number, since it uses less digits than its factorization.

51337673315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267534668.

The product of its digits is 595350, while the sum is 44.

The spelling of 51337673315 in words is "fifty-one billion, three hundred thirty-seven million, six hundred seventy-three thousand, three hundred fifteen".