51185119825848 has 64 divisors (see below), whose sum is σ = 135312354616320. Its totient is φ = 16108613625600.

The previous prime is 51185119825837. The next prime is 51185119825897. The reversal of 51185119825848 is 84852891158115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838959790 + ... + 839020797.

It is an arithmetic number, because the mean of its divisors is an integer number (2114255540880).

Almost surely, 2^{51185119825848} is an apocalyptic number.

It is an amenable number.

51185119825848 is an abundant number, since it is smaller than the sum of its proper divisors (84127234790472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51185119825848 is a wasteful number, since it uses less digits than its factorization.

51185119825848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677980668 (or 1677980664 counting only the distinct ones).

The product of its digits is 36864000, while the sum is 66.

The spelling of 51185119825848 in words is "fifty-one trillion, one hundred eighty-five billion, one hundred nineteen million, eight hundred twenty-five thousand, eight hundred forty-eight".