11421404312 has 64 divisors (see below), whose sum is σ = 22393260000. Its totient is φ = 5454489600.

The previous prime is 11421404303. The next prime is 11421404329. The reversal of 11421404312 is 21340412411.

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, 9509312 + ... + 9510512.

Almost surely, 2^11421404312 is an apocalyptic number.

It is an amenable number.

11421404312 is a deficient number, since it is larger than the sum of its proper divisors (10971855688).

11421404312 is a wasteful number, since it uses less digits than its factorization.

11421404312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11421404312 its reverse (21340412411), we get a palindrome (32761816723).

The spelling of 11421404312 in words is "eleven billion, four hundred twenty-one million, four hundred four thousand, three hundred twelve".