26251390276513 has 32 divisors (see below), whose sum is σ = 28324787242752. Its totient is φ = 24268253856000.

The previous prime is 26251390276511. The next prime is 26251390276577. The reversal of 26251390276513 is 31567209315262.

It is not a de Polignac number, because 26251390276513 - 2¹ = 26251390276511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26251390276511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163438023 + ... + 163598563.

It is an arithmetic number, because the mean of its divisors is an integer number (885149601336).

Almost surely, 2^{26251390276513} is an apocalyptic number.

26251390276513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

26251390276513 is a deficient number, since it is larger than the sum of its proper divisors (2073396966239).

26251390276513 is a wasteful number, since it uses less digits than its factorization.

26251390276513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162345.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 26251390276513 in words is "twenty-six trillion, two hundred fifty-one billion, three hundred ninety million, two hundred seventy-six thousand, five hundred thirteen".