11553525 has 18 divisors (see below), whose sum is σ = 20694050. Its totient is φ = 6161760.

The previous prime is 11553511. The next prime is 11553533. The reversal of 11553525 is 52535511.

11553525 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 324 + 11553201 = 18^2 + 3399^2 .

It is not a de Polignac number, because 11553525 - 2¹⁰ = 11552501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25450 + ... + 25899.

Almost surely, 2^11553525 is an apocalyptic number.

11553525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11553525 is a deficient number, since it is larger than the sum of its proper divisors (9140525).

11553525 is a wasteful number, since it uses less digits than its factorization.

11553525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51365 (or 51357 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 11553525 is about 3399.0476607426. The cubic root of 11553525 is about 226.0675197010.

It can be divided in two parts, 11 and 553525, that added together give a square (553536 = 744²).

The spelling of 11553525 in words is "eleven million, five hundred fifty-three thousand, five hundred twenty-five".