26256230672021 has 16 divisors (see below), whose sum is σ = 30490136573568. Its totient is φ = 22145812776000.

The previous prime is 26256230672003. The next prime is 26256230672051. The reversal of 26256230672021 is 12027603265262.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26256230672021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26256230672051) 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, 113803550 + ... + 114034031.

It is an arithmetic number, because the mean of its divisors is an integer number (1905633535848).

Almost surely, 2^{26256230672021} is an apocalyptic number.

It is an amenable number.

26256230672021 is a deficient number, since it is larger than the sum of its proper divisors (4233905901547).

26256230672021 is a wasteful number, since it uses less digits than its factorization.

26256230672021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227837852.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 26256230672021 in words is "twenty-six trillion, two hundred fifty-six billion, two hundred thirty million, six hundred seventy-two thousand, twenty-one".