15421192200 has 108 divisors (see below), whose sum is σ = 51807203565. Its totient is φ = 4110912960.

The previous prime is 15421192177. The next prime is 15421192229. The reversal of 15421192200 is 229112451.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

15421192200 is a `hidden beast` number, since 1 + 5 + 421 + 19 + 220 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15112768356 + 308423844 = 122934^2 + 17562^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=87810.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5267137 + ... + 5270063.

Almost surely, 2^15421192200 is an apocalyptic number.

15421192200 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 15421192200

15421192200 is an abundant number, since it is smaller than the sum of its proper divisors (36386011365).

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

15421192200 is an equidigital number, since it uses as much as digits as its factorization.

15421192200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 15421192200 in words is "fifteen billion, four hundred twenty-one million, one hundred ninety-two thousand, two hundred".