26611644255413 has 16 divisors (see below), whose sum is σ = 30419846803200. Its totient is φ = 22805077118976.

The previous prime is 26611644255359. The next prime is 26611644255433. The reversal of 26611644255413 is 31455244611662.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26611644255413 - 2²² = 26611640061109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26611644255433) 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, 859839263 + ... + 859870211.

It is an arithmetic number, because the mean of its divisors is an integer number (1901240425200).

Almost surely, 2^{26611644255413} is an apocalyptic number.

It is an amenable number.

26611644255413 is a deficient number, since it is larger than the sum of its proper divisors (3808202547787).

26611644255413 is a wasteful number, since it uses less digits than its factorization.

26611644255413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53396.

The product of its digits is 4147200, while the sum is 50.

The spelling of 26611644255413 in words is "twenty-six trillion, six hundred eleven billion, six hundred forty-four million, two hundred fifty-five thousand, four hundred thirteen".