11121240404 has 24 divisors (see below), whose sum is σ = 20610894528. Its totient is φ = 5232536960.

The previous prime is 11121240349. The next prime is 11121240433. The reversal of 11121240404 is 40404212111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449747 + ... + 473829.

It is an arithmetic number, because the mean of its divisors is an integer number (858787272).

Almost surely, 2^11121240404 is an apocalyptic number.

It is an amenable number.

11121240404 is a deficient number, since it is larger than the sum of its proper divisors (9489654124).

11121240404 is a wasteful number, since it uses less digits than its factorization.

11121240404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30895 (or 30893 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11121240404 its reverse (40404212111), we get a palindrome (51525452515).

The spelling of 11121240404 in words is "eleven billion, one hundred twenty-one million, two hundred forty thousand, four hundred four".