158380111 has 2 divisors, whose sum is σ = 158380112. Its totient is φ = 158380110.

The previous prime is 158380087. The next prime is 158380121. The reversal of 158380111 is 111083851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158380111 - 2¹⁹ = 157855823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158380111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158380121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79190055 + 79190056.

It is an arithmetic number, because the mean of its divisors is an integer number (79190056).

Almost surely, 2^158380111 is an apocalyptic number.

158380111 is a deficient number, since it is larger than the sum of its proper divisors (1).

158380111 is an equidigital number, since it uses as much as digits as its factorization.

158380111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 28.

The square root of 158380111 is about 12584.9160108441. The cubic root of 158380111 is about 541.0451990212.

The spelling of 158380111 in words is "one hundred fifty-eight million, three hundred eighty thousand, one hundred eleven".