11457157 has 2 divisors, whose sum is σ = 11457158. Its totient is φ = 11457156.

The previous prime is 11457109. The next prime is 11457181. The reversal of 11457157 is 75175411.

It is a happy number.

11457157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7650756 + 3806401 = 2766^2 + 1951^2 .

It is a cyclic number.

It is not a de Polignac number, because 11457157 - 2⁷ = 11457029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11457857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728578 + 5728579.

It is an arithmetic number, because the mean of its divisors is an integer number (5728579).

Almost surely, 2^11457157 is an apocalyptic number.

It is an amenable number.

11457157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11457157 is an equidigital number, since it uses as much as digits as its factorization.

11457157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4900, while the sum is 31.

The square root of 11457157 is about 3384.8422415232. The cubic root of 11457157 is about 225.4372206232.

The spelling of 11457157 in words is "eleven million, four hundred fifty-seven thousand, one hundred fifty-seven".