11464565523 has 4 divisors (see below), whose sum is σ = 15286087368. Its totient is φ = 7643043680.

The previous prime is 11464565507. The next prime is 11464565561. The reversal of 11464565523 is 32556546411.

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 11464565523 - 2⁴ = 11464565507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11464565423) 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, 1910760918 + ... + 1910760923.

It is an arithmetic number, because the mean of its divisors is an integer number (3821521842).

Almost surely, 2^11464565523 is an apocalyptic number.

11464565523 is a deficient number, since it is larger than the sum of its proper divisors (3821521845).

11464565523 is an equidigital number, since it uses as much as digits as its factorization.

11464565523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821521844.

The product of its digits is 432000, while the sum is 42.

The spelling of 11464565523 in words is "eleven billion, four hundred sixty-four million, five hundred sixty-five thousand, five hundred twenty-three".