5261431545056 has 48 divisors (see below), whose sum is σ = 10487589073920. Its totient is φ = 2598115048320.

The previous prime is 5261431545011. The next prime is 5261431545119. The reversal of 5261431545056 is 6505451341625.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5261431545056.

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, 2246966 + ... + 3946101.

It is an arithmetic number, because the mean of its divisors is an integer number (218491439040).

Almost surely, 2^{5261431545056} is an apocalyptic number.

It is an amenable number.

5261431545056 is a deficient number, since it is larger than the sum of its proper divisors (5226157528864).

5261431545056 is a wasteful number, since it uses less digits than its factorization.

5261431545056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193407 (or 6193399 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 5261431545056 in words is "five trillion, two hundred sixty-one billion, four hundred thirty-one million, five hundred forty-five thousand, fifty-six".