11153457 has 48 divisors (see below), whose sum is σ = 19568640. Its totient is φ = 6216912.

The previous prime is 11153453. The next prime is 11153489. The reversal of 11153457 is 75435111.

It is not a de Polignac number, because 11153457 - 2² = 11153453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11153457.

It is not an unprimeable number, because it can be changed into a prime (11153453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134338 + ... + 134420.

It is an arithmetic number, because the mean of its divisors is an integer number (407680).

Almost surely, 2^11153457 is an apocalyptic number.

It is an amenable number.

11153457 is a deficient number, since it is larger than the sum of its proper divisors (8415183).

11153457 is an frugal number, since it uses more digits than its factorization.

11153457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 172 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 11153457 is about 3339.6791762084. The cubic root of 11153457 is about 223.4274346648.

Adding to 11153457 its reverse (75435111), we get a palindrome (86588568).

The spelling of 11153457 in words is "eleven million, one hundred fifty-three thousand, four hundred fifty-seven".