11252400000 has 192 divisors, whose sum is σ = 37363077360. Its totient is φ = 3000320000.

The previous prime is 11252399981. The next prime is 11252400037. The reversal of 11252400000 is 425211.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195312 + ... + 1204688.

Almost surely, 2^11252400000 is an apocalyptic number.

11252400000 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 11252400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18681538680).

11252400000 is an abundant number, since it is smaller than the sum of its proper divisors (26110677360).

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

11252400000 is an frugal number, since it uses more digits than its factorization.

11252400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9419 (or 9387 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 11252400000 its reverse (425211), we get a palindrome (11252825211).

The spelling of 11252400000 in words is "eleven billion, two hundred fifty-two million, four hundred thousand".