11297157 has 8 divisors (see below), whose sum is σ = 15173376. Its totient is φ = 7476192.

The previous prime is 11297149. The next prime is 11297161. The reversal of 11297157 is 75179211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11297157 - 2³ = 11297149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13333 + ... + 14154.

It is an arithmetic number, because the mean of its divisors is an integer number (1896672).

Almost surely, 2^11297157 is an apocalyptic number.

It is an amenable number.

11297157 is a deficient number, since it is larger than the sum of its proper divisors (3876219).

11297157 is a wasteful number, since it uses less digits than its factorization.

11297157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27627.

The product of its digits is 4410, while the sum is 33.

The square root of 11297157 is about 3361.1243654468. The cubic root of 11297157 is about 224.3828817875.

The spelling of 11297157 in words is "eleven million, two hundred ninety-seven thousand, one hundred fifty-seven".