11457 has 12 divisors (see below), whose sum is σ = 17680. Its totient is φ = 7128.

The previous prime is 11447. The next prime is 11467. The reversal of 11457 is 75411.

It is an interprime number because it is at equal distance from previous prime (11447) and next prime (11467).

It is not a de Polignac number, because 11457 - 2⁶ = 11393 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138 + ... + 204.

2¹¹⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

11457 is a deficient number, since it is larger than the sum of its proper divisors (6223).

11457 is a wasteful number, since it uses less digits than its factorization.

11457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 89 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 11457 is about 107.0373766495. The cubic root of 11457 is about 22.5436190880.

Adding to 11457 its reverse (75411), we get a palindrome (86868).

It can be divided in two parts, 114 and 57, that added together give a palindrome (171).

The spelling of 11457 in words is "eleven thousand, four hundred fifty-seven".