11403421000 has 64 divisors (see below), whose sum is σ = 26876304000. Its totient is φ = 4528497600.

The previous prime is 11403420961. The next prime is 11403421049. The reversal of 11403421000 is 12430411.

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, 97981 + ... + 180019.

It is an arithmetic number, because the mean of its divisors is an integer number (419942250).

Almost surely, 2^11403421000 is an apocalyptic number.

11403421000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11403421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13438152000).

11403421000 is an abundant number, since it is smaller than the sum of its proper divisors (15472883000).

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

11403421000 is a wasteful number, since it uses less digits than its factorization.

11403421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82199 (or 82185 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11403421000 its reverse (12430411), we get a palindrome (11415851411).

The spelling of 11403421000 in words is "eleven billion, four hundred three million, four hundred twenty-one thousand".