11525115 has 64 divisors (see below), whose sum is σ = 22809600. Its totient is φ = 4852224.

The previous prime is 11525113. The next prime is 11525117. The reversal of 11525115 is 51152511.

It is an interprime number because it is at equal distance from previous prime (11525113) and next prime (11525117).

It is not a de Polignac number, because 11525115 - 2¹ = 11525113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11525091 and 11525100.

It is not an unprimeable number, because it can be changed into a prime (11525113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105681 + ... + 105789.

It is an arithmetic number, because the mean of its divisors is an integer number (356400).

Almost surely, 2^11525115 is an apocalyptic number.

11525115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11525115 is a deficient number, since it is larger than the sum of its proper divisors (11284485).

11525115 is a wasteful number, since it uses less digits than its factorization.

11525115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its digits is 250, while the sum is 21.

The square root of 11525115 is about 3394.8659767360. The cubic root of 11525115 is about 225.8820683694.

Adding to 11525115 its reverse (51152511), we get a palindrome (62677626).

The spelling of 11525115 in words is "eleven million, five hundred twenty-five thousand, one hundred fifteen".