11715955 has 16 divisors (see below), whose sum is σ = 14634144. Its totient is φ = 8997120.

The previous prime is 11715943. The next prime is 11715959. The reversal of 11715955 is 55951711.

It is a happy number.

It is not a de Polignac number, because 11715955 - 2⁷ = 11715827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11715955.

It is not an unprimeable number, because it can be changed into a prime (11715959) 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 15 ways as a sum of consecutive naturals, for example, 13309 + ... + 14161.

It is an arithmetic number, because the mean of its divisors is an integer number (914634).

Almost surely, 2^11715955 is an apocalyptic number.

11715955 is a deficient number, since it is larger than the sum of its proper divisors (2918189).

11715955 is an equidigital number, since it uses as much as digits as its factorization.

11715955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its digits is 7875, while the sum is 34.

The square root of 11715955 is about 3422.8577241831. The cubic root of 11715955 is about 227.1220145275.

The spelling of 11715955 in words is "eleven million, seven hundred fifteen thousand, nine hundred fifty-five".