51263836215 has 16 divisors (see below), whose sum is σ = 82025073888. Its totient is φ = 27339734016.

The previous prime is 51263836199. The next prime is 51263836231.

51263836215 is nontrivially palindromic in base 10.

51263836215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51263836199) and next prime (51263836231).

It is not a de Polignac number, because 51263836215 - 2⁴ = 51263836199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608079 + ... + 687231.

It is an arithmetic number, because the mean of its divisors is an integer number (5126567118).

Almost surely, 2^51263836215 is an apocalyptic number.

51263836215 is a deficient number, since it is larger than the sum of its proper divisors (30761237673).

51263836215 is a wasteful number, since it uses less digits than its factorization.

51263836215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122338.

The product of its digits is 259200, while the sum is 42.

The spelling of 51263836215 in words is "fifty-one billion, two hundred sixty-three million, eight hundred thirty-six thousand, two hundred fifteen".