51200531025 has 48 divisors (see below), whose sum is σ = 97394064000. Its totient is φ = 23248834560.

The previous prime is 51200531021. The next prime is 51200531027. The reversal of 51200531025 is 52013500215.

It is a happy number.

It is not a de Polignac number, because 51200531025 - 2² = 51200531021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51200530986 and 51200531004.

It is not an unprimeable number, because it can be changed into a prime (51200531021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249040 + ... + 405489.

It is an arithmetic number, because the mean of its divisors is an integer number (2029043000).

Almost surely, 2^51200531025 is an apocalyptic number.

It is an amenable number.

51200531025 is a deficient number, since it is larger than the sum of its proper divisors (46193532975).

51200531025 is a wasteful number, since it uses less digits than its factorization.

51200531025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654698 (or 654693 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 51200531025 in words is "fifty-one billion, two hundred million, five hundred thirty-one thousand, twenty-five".