111111013223159 has 2 divisors, whose sum is σ = 111111013223160. Its totient is φ = 111111013223158.

The previous prime is 111111013223071. The next prime is 111111013223183. The reversal of 111111013223159 is 951322310111111.

It is a strong prime.

It is an emirp because it is prime and its reverse (951322310111111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111111013223159 - 2¹⁶ = 111111013157623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111013223359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555506611579 + 55555506611580.

It is an arithmetic number, because the mean of its divisors is an integer number (55555506611580).

Almost surely, 2^{111111013223159} is an apocalyptic number.

111111013223159 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111013223159 is an equidigital number, since it uses as much as digits as its factorization.

111111013223159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 32.

The spelling of 111111013223159 in words is "one hundred eleven trillion, one hundred eleven billion, thirteen million, two hundred twenty-three thousand, one hundred fifty-nine".