26526402131 has 2 divisors, whose sum is σ = 26526402132. Its totient is φ = 26526402130.

The previous prime is 26526402043. The next prime is 26526402137. The reversal of 26526402131 is 13120462562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26526402131 - 2²² = 26522207827 is a prime.

It is a super-2 number, since 2×26526402131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26526402137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13263201065 + 13263201066.

It is an arithmetic number, because the mean of its divisors is an integer number (13263201066).

Almost surely, 2^26526402131 is an apocalyptic number.

26526402131 is a deficient number, since it is larger than the sum of its proper divisors (1).

26526402131 is an equidigital number, since it uses as much as digits as its factorization.

26526402131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 26526402131 its reverse (13120462562), we get a palindrome (39646864693).

The spelling of 26526402131 in words is "twenty-six billion, five hundred twenty-six million, four hundred two thousand, one hundred thirty-one".