11625155 has 16 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 8928480.

The previous prime is 11625151. The next prime is 11625157. The reversal of 11625155 is 55152611.

It is not a de Polignac number, because 11625155 - 2² = 11625151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11625151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27536 + ... + 27954.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^11625155 is an apocalyptic number.

11625155 is a deficient number, since it is larger than the sum of its proper divisors (2890045).

11625155 is a wasteful number, since it uses less digits than its factorization.

11625155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its digits is 1500, while the sum is 26.

The square root of 11625155 is about 3409.5681544735. The cubic root of 11625155 is about 226.5337516119.

Adding to 11625155 its reverse (55152611), we get a palindrome (66777766).

The spelling of 11625155 in words is "eleven million, six hundred twenty-five thousand, one hundred fifty-five".