11651315 has 16 divisors (see below), whose sum is σ = 15254400. Its totient is φ = 8491392.

The previous prime is 11651309. The next prime is 11651327. The reversal of 11651315 is 51315611.

It is not a de Polignac number, because 11651315 - 2²² = 7457011 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4001 + ... + 6269.

It is an arithmetic number, because the mean of its divisors is an integer number (953400).

Almost surely, 2^11651315 is an apocalyptic number.

11651315 is a deficient number, since it is larger than the sum of its proper divisors (3603085).

11651315 is a wasteful number, since it uses less digits than its factorization.

11651315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its digits is 450, while the sum is 23.

The square root of 11651315 is about 3413.4022616738. The cubic root of 11651315 is about 226.7035467192.

Adding to 11651315 its reverse (51315611), we get a palindrome (62966926).

The spelling of 11651315 in words is "eleven million, six hundred fifty-one thousand, three hundred fifteen".