19932150855 has 8 divisors (see below), whose sum is σ = 31891441392. Its totient is φ = 10630480448.

The previous prime is 19932150851. The next prime is 19932150893. The reversal of 19932150855 is 55805123991.

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 19932150855 - 2² = 19932150851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19932150851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664405014 + ... + 664405043.

It is an arithmetic number, because the mean of its divisors is an integer number (3986430174).

Almost surely, 2^19932150855 is an apocalyptic number.

19932150855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19932150855 is a deficient number, since it is larger than the sum of its proper divisors (11959290537).

19932150855 is a wasteful number, since it uses less digits than its factorization.

19932150855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328810065.

The product of its (nonzero) digits is 486000, while the sum is 48.

The spelling of 19932150855 in words is "nineteen billion, nine hundred thirty-two million, one hundred fifty thousand, eight hundred fifty-five".