19119055 has 4 divisors (see below), whose sum is σ = 22942872. Its totient is φ = 15295240.

The previous prime is 19119041. The next prime is 19119059. The reversal of 19119055 is 55091191.

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

It is not a de Polignac number, because 19119055 - 2¹³ = 19110863 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19119059) 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, 1911901 + ... + 1911910.

It is an arithmetic number, because the mean of its divisors is an integer number (5735718).

Almost surely, 2^19119055 is an apocalyptic number.

19119055 is a deficient number, since it is larger than the sum of its proper divisors (3823817).

19119055 is an equidigital number, since it uses as much as digits as its factorization.

19119055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823816.

The product of its (nonzero) digits is 2025, while the sum is 31.

The square root of 19119055 is about 4372.5341622450. The cubic root of 19119055 is about 267.3963496295.

The spelling of 19119055 in words is "nineteen million, one hundred nineteen thousand, fifty-five".