11131434104 has 16 divisors (see below), whose sum is σ = 23853073200. Its totient is φ = 4770614592.

The previous prime is 11131434103. The next prime is 11131434161. The reversal of 11131434104 is 40143413111.

It is a self number, because there is not a number n which added to its sum of digits gives 11131434104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131434103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99387749 + ... + 99387860.

It is an arithmetic number, because the mean of its divisors is an integer number (1490817075).

Almost surely, 2^11131434104 is an apocalyptic number.

11131434104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11131434104 is an abundant number, since it is smaller than the sum of its proper divisors (12721639096).

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

11131434104 is a wasteful number, since it uses less digits than its factorization.

11131434104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198775622 (or 198775618 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11131434104 its reverse (40143413111), we get a palindrome (51274847215).

The spelling of 11131434104 in words is "eleven billion, one hundred thirty-one million, four hundred thirty-four thousand, one hundred four".