26138310263311 has 4 divisors (see below), whose sum is σ = 26138329615224. Its totient is φ = 26138290911400.

The previous prime is 26138310263309. The next prime is 26138310263339. The reversal of 26138310263311 is 11336201383162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26138310263311 - 2¹ = 26138310263309 is a prime.

It is a super-2 number, since 2×26138310263311² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26138310263711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7484485 + ... + 10406446.

It is an arithmetic number, because the mean of its divisors is an integer number (6534582403806).

Almost surely, 2^{26138310263311} is an apocalyptic number.

26138310263311 is a deficient number, since it is larger than the sum of its proper divisors (19351913).

26138310263311 is a wasteful number, since it uses less digits than its factorization.

26138310263311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19351912.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 26138310263311 in words is "twenty-six trillion, one hundred thirty-eight billion, three hundred ten million, two hundred sixty-three thousand, three hundred eleven".