26342257555 has 16 divisors (see below), whose sum is σ = 32345391744. Its totient is φ = 20585743360.

The previous prime is 26342257553. The next prime is 26342257573. The reversal of 26342257555 is 55575224362.

It is not a de Polignac number, because 26342257555 - 2¹ = 26342257553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26342257553) 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, 14859 + ... + 230011.

It is an arithmetic number, because the mean of its divisors is an integer number (2021586984).

Almost surely, 2^26342257555 is an apocalyptic number.

26342257555 is a deficient number, since it is larger than the sum of its proper divisors (6003134189).

26342257555 is a wasteful number, since it uses less digits than its factorization.

26342257555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215726.

The product of its digits is 2520000, while the sum is 46.

The spelling of 26342257555 in words is "twenty-six billion, three hundred forty-two million, two hundred fifty-seven thousand, five hundred fifty-five".