51041647572 has 24 divisors (see below), whose sum is σ = 119100835392. Its totient is φ = 17013360000.

The previous prime is 51041647543. The next prime is 51041647583. The reversal of 51041647572 is 27574614015.

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, 706572 + ... + 775452.

It is an arithmetic number, because the mean of its divisors is an integer number (4962534808).

Almost surely, 2^51041647572 is an apocalyptic number.

It is an amenable number.

51041647572 is an abundant number, since it is smaller than the sum of its proper divisors (68059187820).

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

51041647572 is a wasteful number, since it uses less digits than its factorization.

51041647572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130639 (or 130637 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 51041647572 in words is "fifty-one billion, forty-one million, six hundred forty-seven thousand, five hundred seventy-two".