26311400653631 has 2 divisors, whose sum is σ = 26311400653632. Its totient is φ = 26311400653630.

The previous prime is 26311400653613. The next prime is 26311400653691. The reversal of 26311400653631 is 13635600411362.

Together with previous prime (26311400653613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26311400653631 - 2⁶ = 26311400653567 is a prime.

It is a super-2 number, since 2×26311400653631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26311400653691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155700326815 + 13155700326816.

It is an arithmetic number, because the mean of its divisors is an integer number (13155700326816).

Almost surely, 2^{26311400653631} is an apocalyptic number.

26311400653631 is a deficient number, since it is larger than the sum of its proper divisors (1).

26311400653631 is an equidigital number, since it uses as much as digits as its factorization.

26311400653631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 26311400653631 in words is "twenty-six trillion, three hundred eleven billion, four hundred million, six hundred fifty-three thousand, six hundred thirty-one".