11031121304 has 32 divisors (see below), whose sum is σ = 23770195200. Its totient is φ = 4701207840.

The previous prime is 11031121261. The next prime is 11031121337. The reversal of 11031121304 is 40312113011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 540212 + ... + 560259.

It is an arithmetic number, because the mean of its divisors is an integer number (742818600).

Almost surely, 2^11031121304 is an apocalyptic number.

11031121304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11031121304 is an abundant number, since it is smaller than the sum of its proper divisors (12739073896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031121304 is a wasteful number, since it uses less digits than its factorization.

11031121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100663 (or 1100659 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11031121304 its reverse (40312113011), we get a palindrome (51343234315).

The spelling of 11031121304 in words is "eleven billion, thirty-one million, one hundred twenty-one thousand, three hundred four".