26613844071231 has 16 divisors (see below), whose sum is σ = 35536294745600. Its totient is φ = 17716979635488.

The previous prime is 26613844071223. The next prime is 26613844071307. The reversal of 26613844071231 is 13217044831662.

It is not a de Polignac number, because 26613844071231 - 2³ = 26613844071223 is a prime.

It is a super-2 number, since 2×26613844071231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26613844071431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73854750 + ... + 74214228.

It is an arithmetic number, because the mean of its divisors is an integer number (2221018421600).

Almost surely, 2^{26613844071231} is an apocalyptic number.

26613844071231 is a deficient number, since it is larger than the sum of its proper divisors (8922450674369).

26613844071231 is a wasteful number, since it uses less digits than its factorization.

26613844071231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394998.

The product of its (nonzero) digits is 1161216, while the sum is 48.

It can be divided in two parts, 2661384 and 4071231, that added together give a triangular number (6732615 = T₃₆₆₉).

The spelling of 26613844071231 in words is "twenty-six trillion, six hundred thirteen billion, eight hundred forty-four million, seventy-one thousand, two hundred thirty-one".