11421312000 has 528 divisors, whose sum is σ = 44267079168. Its totient is φ = 2606284800.

The previous prime is 11421311987. The next prime is 11421312013. The reversal of 11421312000 is 21312411.

It is an interprime number because it is at equal distance from previous prime (11421311987) and next prime (11421312013).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18815697 + ... + 18816303.

Almost surely, 2^11421312000 is an apocalyptic number.

11421312000 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 11421312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22133539584).

11421312000 is an abundant number, since it is smaller than the sum of its proper divisors (32845767168).

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

11421312000 is an equidigital number, since it uses as much as digits as its factorization.

11421312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11421312000 its reverse (21312411), we get a palindrome (11442624411).

The spelling of 11421312000 in words is "eleven billion, four hundred twenty-one million, three hundred twelve thousand".