51057780800325 has 24 divisors (see below), whose sum is σ = 90909033303648. Its totient is φ = 25136138239680.

The previous prime is 51057780800297. The next prime is 51057780800339. The reversal of 51057780800325 is 52300808775015.

It is not a de Polignac number, because 51057780800325 - 2²² = 51057776606021 is a prime.

It is a super-4 number, since 4×51057780800325⁴ (a number of 56 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26183476359 + ... + 26183478308.

It is an arithmetic number, because the mean of its divisors is an integer number (3787876387652).

Almost surely, 2^{51057780800325} is an apocalyptic number.

It is an amenable number.

51057780800325 is a deficient number, since it is larger than the sum of its proper divisors (39851252503323).

51057780800325 is a wasteful number, since it uses less digits than its factorization.

51057780800325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52366954693 (or 52366954688 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 51.

The spelling of 51057780800325 in words is "fifty-one trillion, fifty-seven billion, seven hundred eighty million, eight hundred thousand, three hundred twenty-five".