26372287231 has 2 divisors, whose sum is σ = 26372287232. Its totient is φ = 26372287230.

The previous prime is 26372287229. The next prime is 26372287247. The reversal of 26372287231 is 13278227362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26372287231 - 2¹ = 26372287229 is a prime.

It is a super-2 number, since 2×26372287231² (a number of 22 digits) contains 22 as substring.

Together with 26372287229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26372282231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13186143615 + 13186143616.

It is an arithmetic number, because the mean of its divisors is an integer number (13186143616).

Almost surely, 2^26372287231 is an apocalyptic number.

26372287231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26372287231 is an equidigital number, since it uses as much as digits as its factorization.

26372287231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The spelling of 26372287231 in words is "twenty-six billion, three hundred seventy-two million, two hundred eighty-seven thousand, two hundred thirty-one".