1111232159 has 2 divisors, whose sum is σ = 1111232160. Its totient is φ = 1111232158.

The previous prime is 1111232053. The next prime is 1111232197. The reversal of 1111232159 is 9512321111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111232159 - 2²⁰ = 1110183583 is a prime.

It is a super-2 number, since 2×1111232159² = 2469673822391602562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111232459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555616079 + 555616080.

It is an arithmetic number, because the mean of its divisors is an integer number (555616080).

Almost surely, 2^1111232159 is an apocalyptic number.

1111232159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111232159 is an equidigital number, since it uses as much as digits as its factorization.

1111232159 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1111232159 is about 33335.1490022169. The cubic root of 1111232159 is about 1035.7817796790.

The spelling of 1111232159 in words is "one billion, one hundred eleven million, two hundred thirty-two thousand, one hundred fifty-nine".