11432685513 has 4 divisors (see below), whose sum is σ = 15243580688. Its totient is φ = 7621790340.

The previous prime is 11432685503. The next prime is 11432685527. The reversal of 11432685513 is 31558623411.

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 not a de Polignac number, because 11432685513 - 2²⁸ = 11164250057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11432685503) 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, 1905447583 + ... + 1905447588.

It is an arithmetic number, because the mean of its divisors is an integer number (3810895172).

Almost surely, 2^11432685513 is an apocalyptic number.

It is an amenable number.

11432685513 is a deficient number, since it is larger than the sum of its proper divisors (3810895175).

11432685513 is an equidigital number, since it uses as much as digits as its factorization.

11432685513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810895174.

The product of its digits is 86400, while the sum is 39.

The spelling of 11432685513 in words is "eleven billion, four hundred thirty-two million, six hundred eighty-five thousand, five hundred thirteen".