11111404 has 12 divisors (see below), whose sum is σ = 20588904. Its totient is φ = 5228864.

The previous prime is 11111393. The next prime is 11111407. The reversal of 11111404 is 40411111.

It is not an unprimeable number, because it can be changed into a prime (11111407) 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 3 ways as a sum of consecutive naturals, for example, 81634 + ... + 81769.

It is an arithmetic number, because the mean of its divisors is an integer number (1715742).

Almost surely, 2^11111404 is an apocalyptic number.

It is an amenable number.

11111404 is a deficient number, since it is larger than the sum of its proper divisors (9477500).

11111404 is a wasteful number, since it uses less digits than its factorization.

11111404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163424 (or 163422 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 11111404 is about 3333.3772663771. The cubic root of 11111404 is about 223.1462773716.

Adding to 11111404 its reverse (40411111), we get a palindrome (51522515).

It can be divided in two parts, 11111 and 404, that multiplied together give a palindrome (4488844).

The spelling of 11111404 in words is "eleven million, one hundred eleven thousand, four hundred four".