11421334450 has 24 divisors (see below), whose sum is σ = 21247358832. Its totient is φ = 4567743120.

The previous prime is 11421334363. The next prime is 11421334517. The reversal of 11421334450 is 5443312411.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335097 + ... + 367603.

It is an arithmetic number, because the mean of its divisors is an integer number (885306618).

Almost surely, 2^11421334450 is an apocalyptic number.

11421334450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11421334450 is a deficient number, since it is larger than the sum of its proper divisors (9826024382).

11421334450 is a wasteful number, since it uses less digits than its factorization.

11421334450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39546 (or 39541 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 11421334450 its reverse (5443312411), we get a palindrome (16864646861).

The spelling of 11421334450 in words is "eleven billion, four hundred twenty-one million, three hundred thirty-four thousand, four hundred fifty".