18870225119 has 4 divisors (see below), whose sum is σ = 18873457200. Its totient is φ = 18866993040.

The previous prime is 18870225103. The next prime is 18870225167. The reversal of 18870225119 is 91152207881.

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 18870225119 - 2⁴ = 18870225103 is a prime.

It is a super-2 number, since 2×18870225119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18870225119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18870275119) 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, 1607267 + ... + 1618964.

It is an arithmetic number, because the mean of its divisors is an integer number (4718364300).

Almost surely, 2^18870225119 is an apocalyptic number.

18870225119 is a deficient number, since it is larger than the sum of its proper divisors (3232081).

18870225119 is an equidigital number, since it uses as much as digits as its factorization.

18870225119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232080.

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 18870225119 in words is "eighteen billion, eight hundred seventy million, two hundred twenty-five thousand, one hundred nineteen".