11775056023 has 4 divisors (see below), whose sum is σ = 11775329280. Its totient is φ = 11774782768.

The previous prime is 11775056017. The next prime is 11775056047. The reversal of 11775056023 is 32065057711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32065057711 = 4567 ⋅7021033.

It is a cyclic number.

It is not a de Polignac number, because 11775056023 - 2⁹ = 11775055511 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 (11775056723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56215 + ... + 163432.

It is an arithmetic number, because the mean of its divisors is an integer number (2943832320).

Almost surely, 2^11775056023 is an apocalyptic number.

11775056023 is a deficient number, since it is larger than the sum of its proper divisors (273257).

11775056023 is an equidigital number, since it uses as much as digits as its factorization.

11775056023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273256.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 11775056023 in words is "eleven billion, seven hundred seventy-five million, fifty-six thousand, twenty-three".