11257575 has 48 divisors (see below), whose sum is σ = 21831936. Its totient is φ = 5011200.

The previous prime is 11257573. The next prime is 11257627. The reversal of 11257575 is 57575211.

It is not a de Polignac number, because 11257575 - 2¹ = 11257573 is a prime.

11257575 is a modest number, since divided by 7575 gives 1125 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21264 + ... + 21786.

It is an arithmetic number, because the mean of its divisors is an integer number (454832).

Almost surely, 2^11257575 is an apocalyptic number.

11257575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11257575 is a deficient number, since it is larger than the sum of its proper divisors (10574361).

11257575 is a wasteful number, since it uses less digits than its factorization.

11257575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 579 counting only the distinct ones).

The product of its digits is 12250, while the sum is 33.

The square root of 11257575 is about 3355.2309905579. The cubic root of 11257575 is about 224.1205173644.

The spelling of 11257575 in words is "eleven million, two hundred fifty-seven thousand, five hundred seventy-five".