11431043004 has 48 divisors (see below), whose sum is σ = 26826460416. Its totient is φ = 3788400000.

The previous prime is 11431042991. The next prime is 11431043009. The reversal of 11431043004 is 40034013411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431043009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1855329 + ... + 1861479.

It is an arithmetic number, because the mean of its divisors is an integer number (558884592).

Almost surely, 2^11431043004 is an apocalyptic number.

It is an amenable number.

11431043004 is an abundant number, since it is smaller than the sum of its proper divisors (15395417412).

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

11431043004 is a wasteful number, since it uses less digits than its factorization.

11431043004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026 (or 7024 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11431043004 its reverse (40034013411), we get a palindrome (51465056415).

The spelling of 11431043004 in words is "eleven billion, four hundred thirty-one million, forty-three thousand, four".