11157137 has 4 divisors (see below), whose sum is σ = 11215140. Its totient is φ = 11099136.

The previous prime is 11157127. The next prime is 11157163. The reversal of 11157137 is 73175111.

11157137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3845521 + 7311616 = 1961^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 11157137 - 2⁶ = 11157073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11157127) 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, 28712 + ... + 29097.

It is an arithmetic number, because the mean of its divisors is an integer number (2803785).

Almost surely, 2^11157137 is an apocalyptic number.

It is an amenable number.

11157137 is a deficient number, since it is larger than the sum of its proper divisors (58003).

11157137 is an equidigital number, since it uses as much as digits as its factorization.

11157137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58002.

The product of its digits is 735, while the sum is 26.

The square root of 11157137 is about 3340.2300818956. The cubic root of 11157137 is about 223.4520047017.

The spelling of 11157137 in words is "eleven million, one hundred fifty-seven thousand, one hundred thirty-seven".