11572158 has 16 divisors (see below), whose sum is σ = 24924816. Its totient is φ = 3560640.

The previous prime is 11572133. The next prime is 11572163. The reversal of 11572158 is 85127511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74103 + ... + 74258.

It is an arithmetic number, because the mean of its divisors is an integer number (1557801).

Almost surely, 2^11572158 is an apocalyptic number.

11572158 is an abundant number, since it is smaller than the sum of its proper divisors (13352658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11572158 is a wasteful number, since it uses less digits than its factorization.

11572158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148379.

The product of its digits is 2800, while the sum is 30.

The square root of 11572158 is about 3401.7874713156. The cubic root of 11572158 is about 226.1889849002.

Adding to 11572158 its reverse (85127511), we get a palindrome (96699669).

The spelling of 11572158 in words is "eleven million, five hundred seventy-two thousand, one hundred fifty-eight".