2256526633511 has 2 divisors, whose sum is σ = 2256526633512. Its totient is φ = 2256526633510.

The previous prime is 2256526633499. The next prime is 2256526633547. The reversal of 2256526633511 is 1153366256522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256526633511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256526633111) 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, 1128263316755 + 1128263316756.

It is an arithmetic number, because the mean of its divisors is an integer number (1128263316756).

Almost surely, 2^{2256526633511} is an apocalyptic number.

2256526633511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256526633511 is an equidigital number, since it uses as much as digits as its factorization.

2256526633511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944000, while the sum is 47.

The spelling of 2256526633511 in words is "two trillion, two hundred fifty-six billion, five hundred twenty-six million, six hundred thirty-three thousand, five hundred eleven".