11615065 has 16 divisors (see below), whose sum is σ = 17377920. Its totient is φ = 7240320.

The previous prime is 11615059. The next prime is 11615081. The reversal of 11615065 is 56051611.

It is not a de Polignac number, because 11615065 - 2¹⁵ = 11582297 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, 14700 + ... + 15469.

It is an arithmetic number, because the mean of its divisors is an integer number (1086120).

Almost surely, 2^11615065 is an apocalyptic number.

It is an amenable number.

11615065 is a deficient number, since it is larger than the sum of its proper divisors (5762855).

11615065 is a wasteful number, since it uses less digits than its factorization.

11615065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30192.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 11615065 is about 3408.0881737420. The cubic root of 11615065 is about 226.4681929973.

Adding to 11615065 its reverse (56051611), we get a palindrome (67666676).

It can be divided in two parts, 1161 and 5065, that added together give a palindrome (6226).

The spelling of 11615065 in words is "eleven million, six hundred fifteen thousand, sixty-five".