11715065 has 4 divisors (see below), whose sum is σ = 14058084. Its totient is φ = 9372048.

The previous prime is 11715061. The next prime is 11715089. The reversal of 11715065 is 56051711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56051711 = 59 ⋅950029.

It can be written as a sum of positive squares in 2 ways, for example, as 6661561 + 5053504 = 2581^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 11715065 - 2² = 11715061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11715061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1171502 + ... + 1171511.

It is an arithmetic number, because the mean of its divisors is an integer number (3514521).

Almost surely, 2^11715065 is an apocalyptic number.

It is an amenable number.

11715065 is a deficient number, since it is larger than the sum of its proper divisors (2343019).

11715065 is an equidigital number, since it uses as much as digits as its factorization.

11715065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343018.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 11715065 is about 3422.7277133888. The cubic root of 11715065 is about 227.1162632902.

Adding to 11715065 its reverse (56051711), we get a palindrome (67766776).

The spelling of 11715065 in words is "eleven million, seven hundred fifteen thousand, sixty-five".