11157151 has 4 divisors (see below), whose sum is σ = 11813472. Its totient is φ = 10500832.

The previous prime is 11157127. The next prime is 11157163. The reversal of 11157151 is 15175111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15175111 = 7 ⋅2167873.

It is not a de Polignac number, because 11157151 - 2⁵ = 11157119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157191) 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, 328135 + ... + 328168.

It is an arithmetic number, because the mean of its divisors is an integer number (2953368).

Almost surely, 2^11157151 is an apocalyptic number.

11157151 is a deficient number, since it is larger than the sum of its proper divisors (656321).

11157151 is an equidigital number, since it uses as much as digits as its factorization.

11157151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656320.

The product of its digits is 175, while the sum is 22.

The square root of 11157151 is about 3340.2321775589. The cubic root of 11157151 is about 223.4520981643.

The spelling of 11157151 in words is "eleven million, one hundred fifty-seven thousand, one hundred fifty-one".