51330115554125 has 32 divisors (see below), whose sum is σ = 66553366370400. Its totient is φ = 39477925132800.

The previous prime is 51330115554101. The next prime is 51330115554127. The reversal of 51330115554125 is 52145551103315.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 51196929971209 + 133185582916 = 7155203^2 + 364946^2 .

It is not a de Polignac number, because 51330115554125 - 2⁶ = 51330115554061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51330115554127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29541710 + ... + 31230959.

It is an arithmetic number, because the mean of its divisors is an integer number (2079792699075).

Almost surely, 2^{51330115554125} is an apocalyptic number.

It is an amenable number.

51330115554125 is a deficient number, since it is larger than the sum of its proper divisors (15223250816275).

51330115554125 is a wasteful number, since it uses less digits than its factorization.

51330115554125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60772946 (or 60772936 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 51330115554125 in words is "fifty-one trillion, three hundred thirty billion, one hundred fifteen million, five hundred fifty-four thousand, one hundred twenty-five".