15216451200 has 288 divisors, whose sum is σ = 54670980000. Its totient is φ = 4029696000.

The previous prime is 15216451199. The next prime is 15216451231. The reversal of 15216451200 is 215461251.

15216451200 is a `hidden beast` number, since 1 + 5 + 2 + 1 + 6 + 451 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4347051 + ... + 4350549.

Almost surely, 2^15216451200 is an apocalyptic number.

15216451200 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 15216451200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27335490000).

15216451200 is an abundant number, since it is smaller than the sum of its proper divisors (39454528800).

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

15216451200 is a wasteful number, since it uses less digits than its factorization.

15216451200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 15216451200 in words is "fifteen billion, two hundred sixteen million, four hundred fifty-one thousand, two hundred".