26274981311 has 8 divisors (see below), whose sum is σ = 27137303424. Its totient is φ = 25424080920.

The previous prime is 26274981211. The next prime is 26274981361. The reversal of 26274981311 is 11318947262.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26274981311 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 (26274981361) 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, 2850755 + ... + 2859956.

It is an arithmetic number, because the mean of its divisors is an integer number (3392162928).

Almost surely, 2^26274981311 is an apocalyptic number.

26274981311 is a deficient number, since it is larger than the sum of its proper divisors (862322113).

26274981311 is a wasteful number, since it uses less digits than its factorization.

26274981311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710861.

The product of its digits is 145152, while the sum is 44.

The spelling of 26274981311 in words is "twenty-six billion, two hundred seventy-four million, nine hundred eighty-one thousand, three hundred eleven".