26791137911 has 8 divisors (see below), whose sum is σ = 26924319840. Its totient is φ = 26658284832.

The previous prime is 26791137899. The next prime is 26791137931. The reversal of 26791137911 is 11973119762.

It is a happy number.

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-26791137911 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 (26791137931) 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, 81941 + ... + 245553.

It is an arithmetic number, because the mean of its divisors is an integer number (3365539980).

Almost surely, 2^26791137911 is an apocalyptic number.

26791137911 is a deficient number, since it is larger than the sum of its proper divisors (133181929).

26791137911 is a wasteful number, since it uses less digits than its factorization.

26791137911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164425.

The product of its digits is 142884, while the sum is 47.

The spelling of 26791137911 in words is "twenty-six billion, seven hundred ninety-one million, one hundred thirty-seven thousand, nine hundred eleven".