26012062531 has 16 divisors (see below), whose sum is σ = 32668216000. Its totient is φ = 20580969024.

The previous prime is 26012062511. The next prime is 26012062547. The reversal of 26012062531 is 13526021062.

It is not a de Polignac number, because 26012062531 - 2²⁷ = 25877844803 is a prime.

It is a super-2 number, since 2×26012062531² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26012062531.

It is not an unprimeable number, because it can be changed into a prime (26012062511) 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, 2912346 + ... + 2921263.

It is an arithmetic number, because the mean of its divisors is an integer number (2041763500).

Almost surely, 2^26012062531 is an apocalyptic number.

26012062531 is a deficient number, since it is larger than the sum of its proper divisors (6656153469).

26012062531 is an equidigital number, since it uses as much as digits as its factorization.

26012062531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833643 (or 5833629 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 26012062531 its reverse (13526021062), we get a palindrome (39538083593).

The spelling of 26012062531 in words is "twenty-six billion, twelve million, sixty-two thousand, five hundred thirty-one".