51611766004 has 12 divisors (see below), whose sum is σ = 92421069664. Its totient is φ = 25205746104.

The previous prime is 51611765999. The next prime is 51611766013. The reversal of 51611766004 is 40066711615.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150034032 + ... + 150034375.

Almost surely, 2^51611766004 is an apocalyptic number.

It is an amenable number.

51611766004 is a deficient number, since it is larger than the sum of its proper divisors (40809303660).

51611766004 is a wasteful number, since it uses less digits than its factorization.

51611766004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300068454 (or 300068452 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 51611766004 in words is "fifty-one billion, six hundred eleven million, seven hundred sixty-six thousand, four".