11525505 has 32 divisors (see below), whose sum is σ = 19160064. Its totient is φ = 5912256.

The previous prime is 11525497. The next prime is 11525509. The reversal of 11525505 is 50552511.

11525505 = T₂₁₄ + T₂₁₅ + ... + T₄₂₈.

It is not a de Polignac number, because 11525505 - 2³ = 11525497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11525509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68932 + ... + 69098.

It is an arithmetic number, because the mean of its divisors is an integer number (598752).

Almost surely, 2^11525505 is an apocalyptic number.

11525505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11525505 is a deficient number, since it is larger than the sum of its proper divisors (7634559).

11525505 is a wasteful number, since it uses less digits than its factorization.

11525505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 11525505 is about 3394.9234159256. The cubic root of 11525505 is about 225.8846162258.

The spelling of 11525505 in words is "eleven million, five hundred twenty-five thousand, five hundred five".