11317455 has 16 divisors (see below), whose sum is σ = 20120160. Its totient is φ = 6035904.

The previous prime is 11317451. The next prime is 11317457. The reversal of 11317455 is 55471311.

It is not a de Polignac number, because 11317455 - 2² = 11317451 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11317451) 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 15 ways as a sum of consecutive naturals, for example, 41782 + ... + 42051.

It is an arithmetic number, because the mean of its divisors is an integer number (1257510).

Almost surely, 2^11317455 is an apocalyptic number.

11317455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11317455 is a deficient number, since it is larger than the sum of its proper divisors (8802705).

11317455 is an equidigital number, since it uses as much as digits as its factorization.

11317455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83847 (or 83841 counting only the distinct ones).

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

The square root of 11317455 is about 3364.1425356248. The cubic root of 11317455 is about 224.5171869257.

Adding to 11317455 its reverse (55471311), we get a palindrome (66788766).

The spelling of 11317455 in words is "eleven million, three hundred seventeen thousand, four hundred fifty-five".