26522412231 has 64 divisors (see below), whose sum is σ = 42844032000. Its totient is φ = 14570640000.

The previous prime is 26522412229. The next prime is 26522412251. The reversal of 26522412231 is 13221422562.

It is not a de Polignac number, because 26522412231 - 2¹ = 26522412229 is a prime.

It is a super-2 number, since 2×26522412231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26522412251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7488321 + ... + 7491861.

It is an arithmetic number, because the mean of its divisors is an integer number (669438000).

Almost surely, 2^26522412231 is an apocalyptic number.

26522412231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26522412231 is a deficient number, since it is larger than the sum of its proper divisors (16321619769).

26522412231 is a wasteful number, since it uses less digits than its factorization.

26522412231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845 (or 3831 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

Adding to 26522412231 its reverse (13221422562), we get a palindrome (39743834793).

The spelling of 26522412231 in words is "twenty-six billion, five hundred twenty-two million, four hundred twelve thousand, two hundred thirty-one".