11516525 has 12 divisors (see below), whose sum is σ = 14425044. Its totient is φ = 9120000.

The previous prime is 11516521. The next prime is 11516539. The reversal of 11516525 is 52561511.

It can be written as a sum of positive squares in 6 ways, for example, as 51529 + 11464996 = 227^2 + 3386^2 .

It is not a de Polignac number, because 11516525 - 2² = 11516521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11516494 and 11516503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245 + ... + 4805.

It is an arithmetic number, because the mean of its divisors is an integer number (1202087).

Almost surely, 2^11516525 is an apocalyptic number.

It is an amenable number.

11516525 is a deficient number, since it is larger than the sum of its proper divisors (2908519).

11516525 is a wasteful number, since it uses less digits than its factorization.

11516525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672 (or 4667 counting only the distinct ones).

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

The square root of 11516525 is about 3393.6005952380. The cubic root of 11516525 is about 225.8259356185.

The spelling of 11516525 in words is "eleven million, five hundred sixteen thousand, five hundred twenty-five".