158103399999 has 4 divisors (see below), whose sum is σ = 210804533336. Its totient is φ = 105402266664.

The previous prime is 158103399977. The next prime is 158103400097. The reversal of 158103399999 is 999993301851.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 158103399999 - 2⁷ = 158103399871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158103399929) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26350566664 + ... + 26350566669.

It is an arithmetic number, because the mean of its divisors is an integer number (52701133334).

Almost surely, 2^158103399999 is an apocalyptic number.

158103399999 is a deficient number, since it is larger than the sum of its proper divisors (52701133337).

158103399999 is an equidigital number, since it uses as much as digits as its factorization.

158103399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52701133336.

The product of its (nonzero) digits is 21257640, while the sum is 66.

The spelling of 158103399999 in words is "one hundred fifty-eight billion, one hundred three million, three hundred ninety-nine thousand, nine hundred ninety-nine".