11317553 has 8 divisors (see below), whose sum is σ = 12448128. Its totient is φ = 10224144.

The previous prime is 11317549. The next prime is 11317561. The reversal of 11317553 is 35571311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11317553 - 2² = 11317549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11317543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8651 + ... + 9872.

It is an arithmetic number, because the mean of its divisors is an integer number (1556016).

Almost surely, 2^11317553 is an apocalyptic number.

11317553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11317553 is a deficient number, since it is larger than the sum of its proper divisors (1130575).

11317553 is a wasteful number, since it uses less digits than its factorization.

11317553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18583.

The product of its digits is 1575, while the sum is 26.

The square root of 11317553 is about 3364.1571009690. The cubic root of 11317553 is about 224.5178349695.

Adding to 11317553 its reverse (35571311), we get a palindrome (46888864).

The spelling of 11317553 in words is "eleven million, three hundred seventeen thousand, five hundred fifty-three".