11521675 has 12 divisors (see below), whose sum is σ = 15586056. Its totient is φ = 8379200.

The previous prime is 11521661. The next prime is 11521687. The reversal of 11521675 is 57612511.

It is not a de Polignac number, because 11521675 - 2⁷ = 11521547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20674 + ... + 21223.

It is an arithmetic number, because the mean of its divisors is an integer number (1298838).

Almost surely, 2^11521675 is an apocalyptic number.

11521675 is a deficient number, since it is larger than the sum of its proper divisors (4064381).

11521675 is a wasteful number, since it uses less digits than its factorization.

11521675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41918 (or 41913 counting only the distinct ones).

The product of its digits is 2100, while the sum is 28.

The square root of 11521675 is about 3394.3592915306. The cubic root of 11521675 is about 225.8595924798.

The spelling of 11521675 in words is "eleven million, five hundred twenty-one thousand, six hundred seventy-five".