51241147604 has 12 divisors (see below), whose sum is σ = 89866527828. Its totient is φ = 25564996800.

The previous prime is 51241147591. The next prime is 51241147621. The reversal of 51241147604 is 40674114215.

It can be written as a sum of positive squares in 2 ways, for example, as 19270992400 + 31970155204 = 138820^2 + 178802^2 .

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, 13892177 + ... + 13895864.

It is an arithmetic number, because the mean of its divisors is an integer number (7488877319).

Almost surely, 2^51241147604 is an apocalyptic number.

It is an amenable number.

51241147604 is a deficient number, since it is larger than the sum of its proper divisors (38625380224).

51241147604 is a wasteful number, since it uses less digits than its factorization.

51241147604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27788506 (or 27788504 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 51241147604 in words is "fifty-one billion, two hundred forty-one million, one hundred forty-seven thousand, six hundred four".