26112665145663 has 12 divisors (see below), whose sum is σ = 37718841393168. Its totient is φ = 17408190833280.

The previous prime is 26112665145649. The next prime is 26112665145673. The reversal of 26112665145663 is 36654156621162.

26112665145663 is a `hidden beast` number, since 2 + 6 + 1 + 1 + 2 + 6 + 65 + 14 + 566 + 3 = 666.

It is not a de Polignac number, because 26112665145663 - 2⁵ = 26112665145631 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26112665145673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20393970 + ... + 21636527.

It is an arithmetic number, because the mean of its divisors is an integer number (3143236782764).

Almost surely, 2^{26112665145663} is an apocalyptic number.

26112665145663 is a deficient number, since it is larger than the sum of its proper divisors (11606176247505).

26112665145663 is a wasteful number, since it uses less digits than its factorization.

26112665145663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42099534 (or 42099531 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 26112665145663 in words is "twenty-six trillion, one hundred twelve billion, six hundred sixty-five million, one hundred forty-five thousand, six hundred sixty-three".