1112155871 has 2 divisors, whose sum is σ = 1112155872. Its totient is φ = 1112155870.

The previous prime is 1112155789. The next prime is 1112155897. The reversal of 1112155871 is 1785512111.

It is a strong prime.

It is an emirp because it is prime and its reverse (1785512111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112155871 - 2¹⁰ = 1112154847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112158871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556077935 + 556077936.

It is an arithmetic number, because the mean of its divisors is an integer number (556077936).

Almost surely, 2^1112155871 is an apocalyptic number.

1112155871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112155871 is an equidigital number, since it uses as much as digits as its factorization.

1112155871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 32.

The square root of 1112155871 is about 33349.0010495067. The cubic root of 1112155871 is about 1036.0686981447.

Adding to 1112155871 its reverse (1785512111), we get a palindrome (2897667982).

The spelling of 1112155871 in words is "one billion, one hundred twelve million, one hundred fifty-five thousand, eight hundred seventy-one".