11513315 has 8 divisors (see below), whose sum is σ = 15072048. Its totient is φ = 8373280.

The previous prime is 11513311. The next prime is 11513321. The reversal of 11513315 is 51331511.

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

It is not a de Polignac number, because 11513315 - 2² = 11513311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11513311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104612 + ... + 104721.

It is an arithmetic number, because the mean of its divisors is an integer number (1884006).

Almost surely, 2^11513315 is an apocalyptic number.

11513315 is a deficient number, since it is larger than the sum of its proper divisors (3558733).

11513315 is a wasteful number, since it uses less digits than its factorization.

11513315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209349.

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

The square root of 11513315 is about 3393.1276132795. The cubic root of 11513315 is about 225.8049521878.

Adding to 11513315 its reverse (51331511), we get a palindrome (62844826).

It can be divided in two parts, 11 and 513315, that multiplied together give a palindrome (5646465).

The spelling of 11513315 in words is "eleven million, five hundred thirteen thousand, three hundred fifteen".