11313555 has 16 divisors (see below), whose sum is σ = 19747584. Its totient is φ = 5485280.

The previous prime is 11313521. The next prime is 11313557. The reversal of 11313555 is 55531311.

11313555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11313555 - 2⁸ = 11313299 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11313557) 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 15 ways as a sum of consecutive naturals, for example, 34119 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (1234224).

Almost surely, 2^11313555 is an apocalyptic number.

11313555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11313555 is a deficient number, since it is larger than the sum of its proper divisors (8434029).

11313555 is a wasteful number, since it uses less digits than its factorization.

11313555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68586.

The product of its digits is 1125, while the sum is 24.

The square root of 11313555 is about 3363.5628431769. The cubic root of 11313555 is about 224.4913943887.

Adding to 11313555 its reverse (55531311), we get a palindrome (66844866).

The spelling of 11313555 in words is "eleven million, three hundred thirteen thousand, five hundred fifty-five".