15552128199 has 4 divisors (see below), whose sum is σ = 20736170936. Its totient is φ = 10368085464.

The previous prime is 15552128183. The next prime is 15552128209. The reversal of 15552128199 is 99182125551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99182125551 = 3 ⋅33060708517.

It is not a de Polignac number, because 15552128199 - 2⁴ = 15552128183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552128129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592021364 + ... + 2592021369.

It is an arithmetic number, because the mean of its divisors is an integer number (5184042734).

Almost surely, 2^15552128199 is an apocalyptic number.

15552128199 is a deficient number, since it is larger than the sum of its proper divisors (5184042737).

15552128199 is an equidigital number, since it uses as much as digits as its factorization.

15552128199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184042736.

The product of its digits is 324000, while the sum is 48.

The spelling of 15552128199 in words is "fifteen billion, five hundred fifty-two million, one hundred twenty-eight thousand, one hundred ninety-nine".