2256264522551 has 8 divisors (see below), whose sum is σ = 2572754116464. Its totient is φ = 1960193612160.

The previous prime is 2256264522541. The next prime is 2256264522607. The reversal of 2256264522551 is 1552254626522.

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 2256264522551 - 2³⁴ = 2239084653367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2256264522496 and 2256264522505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256264522511) 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, 5104670645 + ... + 5104671086.

It is an arithmetic number, because the mean of its divisors is an integer number (321594264558).

Almost surely, 2^{2256264522551} is an apocalyptic number.

2256264522551 is a deficient number, since it is larger than the sum of its proper divisors (316489593913).

2256264522551 is a wasteful number, since it uses less digits than its factorization.

2256264522551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209341761.

The product of its digits is 2880000, while the sum is 47.

The spelling of 2256264522551 in words is "two trillion, two hundred fifty-six billion, two hundred sixty-four million, five hundred twenty-two thousand, five hundred fifty-one".