5256611956906 has 8 divisors (see below), whose sum is σ = 7885239619140. Its totient is φ = 2628198750528.

The previous prime is 5256611956879. The next prime is 5256611956913. The reversal of 5256611956906 is 6096591166525.

It can be written as a sum of positive squares in 2 ways, for example, as 5229019757025 + 27592199881 = 2286705^2 + 166109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 53552671 + ... + 53650738.

Almost surely, 2^{5256611956906} is an apocalyptic number.

5256611956906 is a deficient number, since it is larger than the sum of its proper divisors (2628627662234).

5256611956906 is a wasteful number, since it uses less digits than its factorization.

5256611956906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107227928.

The product of its (nonzero) digits is 26244000, while the sum is 61.

The spelling of 5256611956906 in words is "five trillion, two hundred fifty-six billion, six hundred eleven million, nine hundred fifty-six thousand, nine hundred six".