51252444425215 has 16 divisors (see below), whose sum is σ = 69407699035680. Its totient is φ = 35989177275520.

The previous prime is 51252444425213. The next prime is 51252444425219.

51252444425215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51252444425215 - 2¹ = 51252444425213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51252444425213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16066595404 + ... + 16066598593.

It is an arithmetic number, because the mean of its divisors is an integer number (4337981189730).

Almost surely, 2^{51252444425215} is an apocalyptic number.

51252444425215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51252444425215 is a deficient number, since it is larger than the sum of its proper divisors (18155254610465).

51252444425215 is a wasteful number, since it uses less digits than its factorization.

51252444425215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32133194042.

The product of its digits is 2560000, while the sum is 46.

The spelling of 51252444425215 in words is "fifty-one trillion, two hundred fifty-two billion, four hundred forty-four million, four hundred twenty-five thousand, two hundred fifteen".