26564312455 has 16 divisors (see below), whose sum is σ = 34841090304. Its totient is φ = 19356157440.

The previous prime is 26564312429. The next prime is 26564312459. The reversal of 26564312455 is 55421346562.

It is not a de Polignac number, because 26564312455 - 2²³ = 26555923847 is a prime.

It is a super-3 number, since 3×26564312455³ (a number of 32 digits) contains 333 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 (26564312459) 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, 5038032 + ... + 5043301.

It is an arithmetic number, because the mean of its divisors is an integer number (2177568144).

Almost surely, 2^26564312455 is an apocalyptic number.

26564312455 is a deficient number, since it is larger than the sum of its proper divisors (8276777849).

26564312455 is a wasteful number, since it uses less digits than its factorization.

26564312455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10081386.

The product of its digits is 864000, while the sum is 43.

The spelling of 26564312455 in words is "twenty-six billion, five hundred sixty-four million, three hundred twelve thousand, four hundred fifty-five".