199081378095 has 8 divisors (see below), whose sum is σ = 318530204976. Its totient is φ = 106176734976.

The previous prime is 199081378081. The next prime is 199081378213. The reversal of 199081378095 is 590873180991.

199081378095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 199081378095 - 2⁴ = 199081378079 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6636045922 + ... + 6636045951.

It is an arithmetic number, because the mean of its divisors is an integer number (39816275622).

Almost surely, 2^199081378095 is an apocalyptic number.

199081378095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199081378095 is a deficient number, since it is larger than the sum of its proper divisors (119448826881).

199081378095 is a wasteful number, since it uses less digits than its factorization.

199081378095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272091881.

The product of its (nonzero) digits is 4898880, while the sum is 60.

The spelling of 199081378095 in words is "one hundred ninety-nine billion, eighty-one million, three hundred seventy-eight thousand, ninety-five".