11645088513 has 4 divisors (see below), whose sum is σ = 15526784688. Its totient is φ = 7763392340.

The previous prime is 11645088487. The next prime is 11645088563. The reversal of 11645088513 is 31588054611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11645088513 - 2¹⁴ = 11645072129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11645088563) 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, 1940848083 + ... + 1940848088.

It is an arithmetic number, because the mean of its divisors is an integer number (3881696172).

Almost surely, 2^11645088513 is an apocalyptic number.

It is an amenable number.

11645088513 is a deficient number, since it is larger than the sum of its proper divisors (3881696175).

11645088513 is an equidigital number, since it uses as much as digits as its factorization.

11645088513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881696174.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 11645088513 in words is "eleven billion, six hundred forty-five million, eighty-eight thousand, five hundred thirteen".