11131315 has 8 divisors (see below), whose sum is σ = 14385168. Its totient is φ = 8220000.

The previous prime is 11131279. The next prime is 11131327. The reversal of 11131315 is 51313111.

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

It is not a de Polignac number, because 11131315 - 2⁷ = 11131187 is a prime.

It is a Duffinian 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, 85561 + ... + 85690.

It is an arithmetic number, because the mean of its divisors is an integer number (1798146).

Almost surely, 2^11131315 is an apocalyptic number.

11131315 is a deficient number, since it is larger than the sum of its proper divisors (3253853).

11131315 is a wasteful number, since it uses less digits than its factorization.

11131315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171269.

The product of its digits is 45, while the sum is 16.

The square root of 11131315 is about 3336.3625402525. The cubic root of 11131315 is about 223.2794862880.

Adding to 11131315 its reverse (51313111), we get a palindrome (62444426).

It can be divided in two parts, 1113131 and 5, that multiplied together give a palindrome (5565655).

The spelling of 11131315 in words is "eleven million, one hundred thirty-one thousand, three hundred fifteen".