26556314555 has 4 divisors (see below), whose sum is σ = 31867577472. Its totient is φ = 21245051640.

The previous prime is 26556314503. The next prime is 26556314557. The reversal of 26556314555 is 55541365562.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26556314555 - 2²⁸ = 26287879099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26556314557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655631451 + ... + 2655631460.

It is an arithmetic number, because the mean of its divisors is an integer number (7966894368).

Almost surely, 2^26556314555 is an apocalyptic number.

26556314555 is a deficient number, since it is larger than the sum of its proper divisors (5311262917).

26556314555 is an equidigital number, since it uses as much as digits as its factorization.

26556314555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311262916.

The product of its digits is 2700000, while the sum is 47.

The spelling of 26556314555 in words is "twenty-six billion, five hundred fifty-six million, three hundred fourteen thousand, five hundred fifty-five".