2112311959 has 2 divisors, whose sum is σ = 2112311960. Its totient is φ = 2112311958.

The previous prime is 2112311933. The next prime is 2112311963. The reversal of 2112311959 is 9591132112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112311959 - 2²¹ = 2110214807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112311359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056155979 + 1056155980.

It is an arithmetic number, because the mean of its divisors is an integer number (1056155980).

Almost surely, 2^2112311959 is an apocalyptic number.

2112311959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112311959 is an equidigital number, since it uses as much as digits as its factorization.

2112311959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 34.

The square root of 2112311959 is about 45959.8951151980. The cubic root of 2112311959 is about 1283.0768992925.

The spelling of 2112311959 in words is "two billion, one hundred twelve million, three hundred eleven thousand, nine hundred fifty-nine".