11431213043404 has 24 divisors (see below), whose sum is σ = 24940828459008. Its totient is φ = 4453719367440.

The previous prime is 11431213043363. The next prime is 11431213043413. The reversal of 11431213043404 is 40434031213411.

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, 18557163724 + ... + 18557164339.

It is an arithmetic number, because the mean of its divisors is an integer number (1039201185792).

Almost surely, 2^{11431213043404} is an apocalyptic number.

11431213043404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11431213043404 is an abundant number, since it is smaller than the sum of its proper divisors (13509615415604).

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

11431213043404 is a wasteful number, since it uses less digits than its factorization.

11431213043404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37114328085 (or 37114328083 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 11431213043404 its reverse (40434031213411), we get a palindrome (51865244256815).

The spelling of 11431213043404 in words is "eleven trillion, four hundred thirty-one billion, two hundred thirteen million, forty-three thousand, four hundred four".