51103211315 has 8 divisors (see below), whose sum is σ = 66041073168. Its totient is φ = 37737756000.

The previous prime is 51103211279. The next prime is 51103211339. The reversal of 51103211315 is 51311230115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51103211315 - 2¹⁸ = 51102949171 is a prime.

It is a super-2 number, since 2×51103211315² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393101561 + ... + 393101690.

It is an arithmetic number, because the mean of its divisors is an integer number (8255134146).

Almost surely, 2^51103211315 is an apocalyptic number.

51103211315 is a deficient number, since it is larger than the sum of its proper divisors (14937861853).

51103211315 is a wasteful number, since it uses less digits than its factorization.

51103211315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786203269.

The product of its (nonzero) digits is 450, while the sum is 23.

The spelling of 51103211315 in words is "fifty-one billion, one hundred three million, two hundred eleven thousand, three hundred fifteen".