2656251235751 has 2 divisors, whose sum is σ = 2656251235752. Its totient is φ = 2656251235750.

The previous prime is 2656251235741. The next prime is 2656251235753. The reversal of 2656251235751 is 1575321526562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2656251235751 is a prime.

Together with 2656251235753, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2656251235751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656251235753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328125617875 + 1328125617876.

It is an arithmetic number, because the mean of its divisors is an integer number (1328125617876).

Almost surely, 2^{2656251235751} is an apocalyptic number.

2656251235751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656251235751 is an equidigital number, since it uses as much as digits as its factorization.

2656251235751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780000, while the sum is 50.

The spelling of 2656251235751 in words is "two trillion, six hundred fifty-six billion, two hundred fifty-one million, two hundred thirty-five thousand, seven hundred fifty-one".