11157872 has 20 divisors (see below), whose sum is σ = 23584056. Its totient is φ = 5071680.

The previous prime is 11157869. The next prime is 11157877. The reversal of 11157872 is 27875111.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31523 + ... + 31874.

Almost surely, 2^11157872 is an apocalyptic number.

It is an amenable number.

11157872 is an abundant number, since it is smaller than the sum of its proper divisors (12426184).

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

11157872 is a wasteful number, since it uses less digits than its factorization.

11157872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63416 (or 63410 counting only the distinct ones).

The product of its digits is 3920, while the sum is 32.

The square root of 11157872 is about 3340.3401024447. The cubic root of 11157872 is about 223.4569113851.

The spelling of 11157872 in words is "eleven million, one hundred fifty-seven thousand, eight hundred seventy-two".