51236355363215 has 12 divisors (see below), whose sum is σ = 67581176165832. Its totient is φ = 37262803900080.

The previous prime is 51236355363199. The next prime is 51236355363233.

51236355363215 is nontrivially palindromic in base 10.

51236355363215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51236355363215 - 2⁴ = 51236355363199 is a prime.

It is a super-2 number, since 2×51236355363215² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42344094737 + ... + 42344095946.

It is an arithmetic number, because the mean of its divisors is an integer number (5631764680486).

Almost surely, 2^{51236355363215} is an apocalyptic number.

51236355363215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51236355363215 is a deficient number, since it is larger than the sum of its proper divisors (16344820802617).

51236355363215 is a wasteful number, since it uses less digits than its factorization.

51236355363215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84688190710 (or 84688190699 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 50.

The spelling of 51236355363215 in words is "fifty-one trillion, two hundred thirty-six billion, three hundred fifty-five million, three hundred sixty-three thousand, two hundred fifteen".