51363236315 has 4 divisors (see below), whose sum is σ = 61635883584. Its totient is φ = 41090589048.

The previous prime is 51363236311. The next prime is 51363236341.

51363236315 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 51363236315 - 2² = 51363236311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51363236311) 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, 5136323627 + ... + 5136323636.

It is an arithmetic number, because the mean of its divisors is an integer number (15408970896).

Almost surely, 2^51363236315 is an apocalyptic number.

51363236315 is a deficient number, since it is larger than the sum of its proper divisors (10272647269).

51363236315 is a wasteful number, since it uses less digits than its factorization.

51363236315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10272647268.

The product of its digits is 145800, while the sum is 38.

The spelling of 51363236315 in words is "fifty-one billion, three hundred sixty-three million, two hundred thirty-six thousand, three hundred fifteen".