5256606651251 has 8 divisors (see below), whose sum is σ = 5447920479600. Its totient is φ = 5065962924960.

The previous prime is 5256606651211. The next prime is 5256606651319. The reversal of 5256606651251 is 1521566066525.

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

It is a cyclic number.

It is not a de Polignac number, because 5256606651251 - 2³⁴ = 5239426782067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5256606651251.

It is not an unprimeable number, because it can be changed into a prime (5256606651211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167509541 + ... + 167540918.

It is an arithmetic number, because the mean of its divisors is an integer number (680990059950).

Almost surely, 2^{5256606651251} is an apocalyptic number.

5256606651251 is a deficient number, since it is larger than the sum of its proper divisors (191313828349).

5256606651251 is a wasteful number, since it uses less digits than its factorization.

5256606651251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335051029.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 5256606651251 in words is "five trillion, two hundred fifty-six billion, six hundred six million, six hundred fifty-one thousand, two hundred fifty-one".