1131204400004 has 48 divisors (see below), whose sum is σ = 2403677633280. Its totient is φ = 455433632640.

The previous prime is 1131204399973. The next prime is 1131204400021. The reversal of 1131204400004 is 4000044021311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18795752 + ... + 18855839.

It is an arithmetic number, because the mean of its divisors is an integer number (50076617360).

Almost surely, 2^{1131204400004} is an apocalyptic number.

1131204400004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1131204400004 is an abundant number, since it is smaller than the sum of its proper divisors (1272473233276).

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

1131204400004 is a wasteful number, since it uses less digits than its factorization.

1131204400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37651668 (or 37651666 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1131204400004 its reverse (4000044021311), we get a palindrome (5131248421315).

The spelling of 1131204400004 in words is "one trillion, one hundred thirty-one billion, two hundred four million, four hundred thousand, four".