158109719039999 has 2 divisors, whose sum is σ = 158109719040000. Its totient is φ = 158109719039998.

The previous prime is 158109719039977. The next prime is 158109719040001. The reversal of 158109719039999 is 999930917901851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158109719039999 - 2²⁴ = 158109702262783 is a prime.

Together with 158109719040001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158109719039299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79054859519999 + 79054859520000.

It is an arithmetic number, because the mean of its divisors is an integer number (79054859520000).

Almost surely, 2^{158109719039999} is an apocalyptic number.

158109719039999 is a deficient number, since it is larger than the sum of its proper divisors (1).

158109719039999 is an equidigital number, since it uses as much as digits as its factorization.

158109719039999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 446410440, while the sum is 80.

The spelling of 158109719039999 in words is "one hundred fifty-eight trillion, one hundred nine billion, seven hundred nineteen million, thirty-nine thousand, nine hundred ninety-nine".