19117227135 has 8 divisors (see below), whose sum is σ = 30587563440. Its totient is φ = 10195854464.

The previous prime is 19117227121. The next prime is 19117227161. The reversal of 19117227135 is 53172271191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19117227135 - 2¹¹ = 19117225087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19117227093 and 19117227102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637240890 + ... + 637240919.

It is an arithmetic number, because the mean of its divisors is an integer number (3823445430).

Almost surely, 2^19117227135 is an apocalyptic number.

19117227135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19117227135 is a deficient number, since it is larger than the sum of its proper divisors (11470336305).

19117227135 is a wasteful number, since it uses less digits than its factorization.

19117227135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274481817.

The product of its digits is 26460, while the sum is 39.

The spelling of 19117227135 in words is "nineteen billion, one hundred seventeen million, two hundred twenty-seven thousand, one hundred thirty-five".