11526564055 has 4 divisors (see below), whose sum is σ = 13831876872. Its totient is φ = 9221251240.

The previous prime is 11526564031. The next prime is 11526564079. The reversal of 11526564055 is 55046562511.

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

It is an interprime number because it is at equal distance from previous prime (11526564031) and next prime (11526564079).

It is not a de Polignac number, because 11526564055 - 2²¹ = 11524466903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11526563999 and 11526564017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152656401 + ... + 1152656410.

It is an arithmetic number, because the mean of its divisors is an integer number (3457969218).

Almost surely, 2^11526564055 is an apocalyptic number.

11526564055 is a deficient number, since it is larger than the sum of its proper divisors (2305312817).

11526564055 is an equidigital number, since it uses as much as digits as its factorization.

11526564055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305312816.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 11526564055 in words is "eleven billion, five hundred twenty-six million, five hundred sixty-four thousand, fifty-five".