11452421200 has 120 divisors (see below), whose sum is σ = 30055620960. Its totient is φ = 4158988800.

The previous prime is 11452421179. The next prime is 11452421221. The reversal of 11452421200 is 212425411.

It is an interprime number because it is at equal distance from previous prime (11452421179) and next prime (11452421221).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4878427 + ... + 4880773.

It is an arithmetic number, because the mean of its divisors is an integer number (250463508).

Almost surely, 2^11452421200 is an apocalyptic number.

11452421200 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 11452421200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15027810480).

11452421200 is an abundant number, since it is smaller than the sum of its proper divisors (18603199760).

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

11452421200 is a wasteful number, since it uses less digits than its factorization.

11452421200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 11452421200 its reverse (212425411), we get a palindrome (11664846611).

The spelling of 11452421200 in words is "eleven billion, four hundred fifty-two million, four hundred twenty-one thousand, two hundred".