51132250425 has 48 divisors (see below), whose sum is σ = 89577758720. Its totient is φ = 25664040000.

The previous prime is 51132250417. The next prime is 51132250427. The reversal of 51132250425 is 52405223115.

It is not a de Polignac number, because 51132250425 - 2³ = 51132250417 is a prime.

It is a super-2 number, since 2×51132250425² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51132250392 and 51132250401.

It is not an unprimeable number, because it can be changed into a prime (51132250427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96360 + ... + 333990.

Almost surely, 2^51132250425 is an apocalyptic number.

It is an amenable number.

51132250425 is a deficient number, since it is larger than the sum of its proper divisors (38445508295).

51132250425 is a wasteful number, since it uses less digits than its factorization.

51132250425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237814 (or 237809 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 51132250425 in words is "fifty-one billion, one hundred thirty-two million, two hundred fifty thousand, four hundred twenty-five".