11513406632361 has 4 divisors (see below), whose sum is σ = 15351208843152. Its totient is φ = 7675604421572.

The previous prime is 11513406632323. The next prime is 11513406632381. The reversal of 11513406632361 is 16323660431511.

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 11513406632361 - 2⁹ = 11513406631849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11513406632381) 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, 1918901105391 + ... + 1918901105396.

It is an arithmetic number, because the mean of its divisors is an integer number (3837802210788).

Almost surely, 2^{11513406632361} is an apocalyptic number.

It is an amenable number.

11513406632361 is a deficient number, since it is larger than the sum of its proper divisors (3837802210791).

11513406632361 is an equidigital number, since it uses as much as digits as its factorization.

11513406632361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837802210790.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 11513406632361 in words is "eleven trillion, five hundred thirteen billion, four hundred six million, six hundred thirty-two thousand, three hundred sixty-one".