11456157 has 4 divisors (see below), whose sum is σ = 15274880. Its totient is φ = 7637436.

The previous prime is 11456153. The next prime is 11456173. The reversal of 11456157 is 75165411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75165411 = 3 ⋅25055137.

It is not a de Polignac number, because 11456157 - 2² = 11456153 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 (11456153) 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, 1909357 + ... + 1909362.

It is an arithmetic number, because the mean of its divisors is an integer number (3818720).

Almost surely, 2^11456157 is an apocalyptic number.

It is an amenable number.

11456157 is a deficient number, since it is larger than the sum of its proper divisors (3818723).

11456157 is an equidigital number, since it uses as much as digits as its factorization.

11456157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818722.

The product of its digits is 4200, while the sum is 30.

The square root of 11456157 is about 3384.6945209280. The cubic root of 11456157 is about 225.4306615854.

The spelling of 11456157 in words is "eleven million, four hundred fifty-six thousand, one hundred fifty-seven".