51132300125 has 8 divisors (see below), whose sum is σ = 63813110712. Its totient is φ = 40905840000.

The previous prime is 51132300101. The next prime is 51132300157. The reversal of 51132300125 is 52100323115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 609398596 + 50522901529 = 24686^2 + 224773^2 .

It is not a de Polignac number, because 51132300125 - 2⁶ = 51132300061 is a prime.

It is a super-2 number, since 2×51132300125² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51132300125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204529076 + ... + 204529325.

It is an arithmetic number, because the mean of its divisors is an integer number (7976638839).

Almost surely, 2^51132300125 is an apocalyptic number.

It is an amenable number.

51132300125 is a deficient number, since it is larger than the sum of its proper divisors (12680810587).

51132300125 is an equidigital number, since it uses as much as digits as its factorization.

51132300125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409058416 (or 409058406 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 51132300125 in words is "fifty-one billion, one hundred thirty-two million, three hundred thousand, one hundred twenty-five".