26255311391 has 8 divisors (see below), whose sum is σ = 26875794000. Its totient is φ = 25635278592.

The previous prime is 26255311387. The next prime is 26255311403. The reversal of 26255311391 is 19311355262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26255311391 - 2² = 26255311387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26255311321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7151 + ... + 229263.

It is an arithmetic number, because the mean of its divisors is an integer number (3359474250).

Almost surely, 2^26255311391 is an apocalyptic number.

26255311391 is a deficient number, since it is larger than the sum of its proper divisors (620482609).

26255311391 is a wasteful number, since it uses less digits than its factorization.

26255311391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224905.

The product of its digits is 48600, while the sum is 38.

The spelling of 26255311391 in words is "twenty-six billion, two hundred fifty-five million, three hundred eleven thousand, three hundred ninety-one".