111602159 has 2 divisors, whose sum is σ = 111602160. Its totient is φ = 111602158.

The previous prime is 111602147. The next prime is 111602189. The reversal of 111602159 is 951206111.

It is a weak prime.

It is an emirp because it is prime and its reverse (951206111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111602159 - 2¹² = 111598063 is a prime.

It is a super-2 number, since 2×111602159² = 24910083786922562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111602189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55801079 + 55801080.

It is an arithmetic number, because the mean of its divisors is an integer number (55801080).

Almost surely, 2^111602159 is an apocalyptic number.

111602159 is a deficient number, since it is larger than the sum of its proper divisors (1).

111602159 is an equidigital number, since it uses as much as digits as its factorization.

111602159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 111602159 is about 10564.1923023012. The cubic root of 111602159 is about 481.4570296295.

The spelling of 111602159 in words is "one hundred eleven million, six hundred two thousand, one hundred fifty-nine".