11137457 has 4 divisors (see below), whose sum is σ = 11147376. Its totient is φ = 11127540.

The previous prime is 11137453. The next prime is 11137501. The reversal of 11137457 is 75473111.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11137457 - 2² = 11137453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11137453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023 + ... + 5604.

It is an arithmetic number, because the mean of its divisors is an integer number (2786844).

Almost surely, 2^11137457 is an apocalyptic number.

It is an amenable number.

11137457 is a deficient number, since it is larger than the sum of its proper divisors (9919).

11137457 is an equidigital number, since it uses as much as digits as its factorization.

11137457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918.

The product of its digits is 2940, while the sum is 29.

The square root of 11137457 is about 3337.2828768326. The cubic root of 11137457 is about 223.3205455414.

The spelling of 11137457 in words is "eleven million, one hundred thirty-seven thousand, four hundred fifty-seven".