51231400413215 has 12 divisors (see below), whose sum is σ = 67574640545832. Its totient is φ = 37259200300080.

The previous prime is 51231400413197. The next prime is 51231400413229.

51231400413215 is nontrivially palindromic in base 10.

51231400413215 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51231400413215 - 2¹⁰ = 51231400412191 is a prime.

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, 42339999737 + ... + 42340000946.

It is an arithmetic number, because the mean of its divisors is an integer number (5631220045486).

Almost surely, 2^{51231400413215} is an apocalyptic number.

51231400413215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51231400413215 is a deficient number, since it is larger than the sum of its proper divisors (16343240132617).

51231400413215 is a wasteful number, since it uses less digits than its factorization.

51231400413215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84680000710 (or 84680000699 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

It can be divided in two parts, 51231400 and 413215, that added together give a palindrome (51644615).

The spelling of 51231400413215 in words is "fifty-one trillion, two hundred thirty-one billion, four hundred million, four hundred thirteen thousand, two hundred fifteen".