19115600227 has 4 divisors (see below), whose sum is σ = 19226095200. Its totient is φ = 19005105256.

The previous prime is 19115600213. The next prime is 19115600233. The reversal of 19115600227 is 72200651191.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19115600227 - 2⁷ = 19115600099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19115600192 and 19115600201.

It is not an unprimeable number, because it can be changed into a prime (19115600267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55247227 + ... + 55247572.

It is an arithmetic number, because the mean of its divisors is an integer number (4806523800).

Almost surely, 2^19115600227 is an apocalyptic number.

19115600227 is a deficient number, since it is larger than the sum of its proper divisors (110494973).

19115600227 is a wasteful number, since it uses less digits than its factorization.

19115600227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110494972.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 19115600227 in words is "nineteen billion, one hundred fifteen million, six hundred thousand, two hundred twenty-seven".