11712480523 has 4 divisors (see below), whose sum is σ = 11716603128. Its totient is φ = 11708357920.

The previous prime is 11712480503. The next prime is 11712480539. The reversal of 11712480523 is 32508421711.

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 11712480523 - 2⁵ = 11712480491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11712480503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057038 + ... + 2062723.

It is an arithmetic number, because the mean of its divisors is an integer number (2929150782).

Almost surely, 2^11712480523 is an apocalyptic number.

11712480523 is a deficient number, since it is larger than the sum of its proper divisors (4122605).

11712480523 is an equidigital number, since it uses as much as digits as its factorization.

11712480523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122604.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 11712480523 in words is "eleven billion, seven hundred twelve million, four hundred eighty thousand, five hundred twenty-three".