11599955 has 8 divisors (see below), whose sum is σ = 13954032. Its totient is φ = 9257248.

The previous prime is 11599897. The next prime is 11599957. The reversal of 11599955 is 55999511.

It is a happy number.

11599955 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11599955 - 2⁶ = 11599891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11599957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404 + ... + 4833.

It is an arithmetic number, because the mean of its divisors is an integer number (1744254).

Almost surely, 2^11599955 is an apocalyptic number.

11599955 is a deficient number, since it is larger than the sum of its proper divisors (2354077).

11599955 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (11599956) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (5685).

11599955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685.

The product of its digits is 91125, while the sum is 44.

The square root of 11599955 is about 3405.8706669514. The cubic root of 11599955 is about 226.3699464721.

It can be divided in two parts, 1159995 and 5, that multiplied together give a palindrome (5799975).

The spelling of 11599955 in words is "eleven million, five hundred ninety-nine thousand, nine hundred fifty-five".