11543525 has 12 divisors (see below), whose sum is σ = 16359072. Its totient is φ = 7915440.

The previous prime is 11543503. The next prime is 11543549. The reversal of 11543525 is 52534511.

It is not a de Polignac number, because 11543525 - 2⁸ = 11543269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11543494 and 11543503.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 32807 + ... + 33156.

It is an arithmetic number, because the mean of its divisors is an integer number (1363256).

Almost surely, 2^11543525 is an apocalyptic number.

It is an amenable number.

11543525 is a deficient number, since it is larger than the sum of its proper divisors (4815547).

11543525 is an equidigital number, since it uses as much as digits as its factorization.

11543525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65980 (or 65975 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 11543525 is about 3397.5763420415. The cubic root of 11543525 is about 226.0022776287.

The spelling of 11543525 in words is "eleven million, five hundred forty-three thousand, five hundred twenty-five".