26513752775 has 12 divisors (see below), whose sum is σ = 32880690144. Its totient is φ = 21208656000.

The previous prime is 26513752739. The next prime is 26513752807. The reversal of 26513752775 is 57725731562.

26513752775 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 26513752775 - 2¹⁸ = 26513490631 is a prime.

It is a Duffinian number.

26513752775 is strictly pandigital in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193055 + ... + 300495.

It is an arithmetic number, because the mean of its divisors is an integer number (2740057512).

Almost surely, 2^26513752775 is an apocalyptic number.

26513752775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26513752775 is a deficient number, since it is larger than the sum of its proper divisors (6366937369).

26513752775 is a wasteful number, since it uses less digits than its factorization.

26513752775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117322 (or 117317 counting only the distinct ones).

The product of its digits is 3087000, while the sum is 50.

The spelling of 26513752775 in words is "twenty-six billion, five hundred thirteen million, seven hundred fifty-two thousand, seven hundred seventy-five".