11117453 has 4 divisors (see below), whose sum is σ = 11205120. Its totient is φ = 11029788.

The previous prime is 11117443. The next prime is 11117459. The reversal of 11117453 is 35471111.

It is a happy number.

11117453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 35471111 = 13 ⋅2728547.

It is a cyclic number.

It is not a de Polignac number, because 11117453 - 2²² = 6923149 is a prime.

It is a super-2 number, since 2×11117453² = 247195522414418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11117459) 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, 43643 + ... + 43896.

It is an arithmetic number, because the mean of its divisors is an integer number (2801280).

Almost surely, 2^11117453 is an apocalyptic number.

It is an amenable number.

11117453 is a deficient number, since it is larger than the sum of its proper divisors (87667).

11117453 is an equidigital number, since it uses as much as digits as its factorization.

11117453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87666.

The product of its digits is 420, while the sum is 23.

The square root of 11117453 is about 3334.2844809644. The cubic root of 11117453 is about 223.1867633132.

Adding to 11117453 its reverse (35471111), we get a palindrome (46588564).

The spelling of 11117453 in words is "eleven million, one hundred seventeen thousand, four hundred fifty-three".