11513359229 has 4 divisors (see below), whose sum is σ = 11730592476. Its totient is φ = 11296125984.

The previous prime is 11513359201. The next prime is 11513359237. The reversal of 11513359229 is 92295331511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6272323204 + 5241036025 = 79198^2 + 72395^2 .

It is a cyclic number.

It is not a de Polignac number, because 11513359229 - 2⁸ = 11513358973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513359279) 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, 108616544 + ... + 108616649.

It is an arithmetic number, because the mean of its divisors is an integer number (2932648119).

Almost surely, 2^11513359229 is an apocalyptic number.

It is an amenable number.

11513359229 is a deficient number, since it is larger than the sum of its proper divisors (217233247).

11513359229 is an equidigital number, since it uses as much as digits as its factorization.

11513359229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217233246.

The product of its digits is 72900, while the sum is 41.

The spelling of 11513359229 in words is "eleven billion, five hundred thirteen million, three hundred fifty-nine thousand, two hundred twenty-nine".