11443404412 has 48 divisors (see below), whose sum is σ = 23669597952. Its totient is φ = 4781710080.

The previous prime is 11443404409. The next prime is 11443404439. The reversal of 11443404412 is 21440434411.

It is a congruent number.

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, 145728 + ... + 210055.

It is an arithmetic number, because the mean of its divisors is an integer number (493116624).

Almost surely, 2^11443404412 is an apocalyptic number.

It is an amenable number.

11443404412 is an abundant number, since it is smaller than the sum of its proper divisors (12226193540).

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

11443404412 is a wasteful number, since it uses less digits than its factorization.

11443404412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355858 (or 355856 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 11443404412 its reverse (21440434411), we get a palindrome (32883838823).

The spelling of 11443404412 in words is "eleven billion, four hundred forty-three million, four hundred four thousand, four hundred twelve".