19119156914 has 24 divisors (see below), whose sum is σ = 33877630512. Its totient is φ = 8022022320.

The previous prime is 19119156899. The next prime is 19119156919. The reversal of 19119156914 is 41965191191.

It is a super-2 number, since 2×19119156914² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19119156919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2567444 + ... + 2574879.

It is an arithmetic number, because the mean of its divisors is an integer number (1411567938).

Almost surely, 2^19119156914 is an apocalyptic number.

19119156914 is a deficient number, since it is larger than the sum of its proper divisors (14758473598).

19119156914 is a wasteful number, since it uses less digits than its factorization.

19119156914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142362 (or 5142349 counting only the distinct ones).

The product of its digits is 87480, while the sum is 47.

The spelling of 19119156914 in words is "nineteen billion, one hundred nineteen million, one hundred fifty-six thousand, nine hundred fourteen".