11513135 has 8 divisors (see below), whose sum is σ = 13836096. Its totient is φ = 9196960.

The previous prime is 11513077. The next prime is 11513141. The reversal of 11513135 is 53131511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11513135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3482 + ... + 5928.

It is an arithmetic number, because the mean of its divisors is an integer number (1729512).

Almost surely, 2^11513135 is an apocalyptic number.

11513135 is a deficient number, since it is larger than the sum of its proper divisors (2322961).

11513135 is an equidigital number, since it uses as much as digits as its factorization.

11513135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393.

The product of its digits is 225, while the sum is 20.

The square root of 11513135 is about 3393.1010889745. The cubic root of 11513135 is about 225.8037754313.

Adding to 11513135 its reverse (53131511), we get a palindrome (64644646).

The spelling of 11513135 in words is "eleven million, five hundred thirteen thousand, one hundred thirty-five".