114111509 has 2 divisors, whose sum is σ = 114111510. Its totient is φ = 114111508.

The previous prime is 114111469. The next prime is 114111539. The reversal of 114111509 is 905111411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102070609 + 12040900 = 10103^2 + 3470^2 .

It is an emirp because it is prime and its reverse (905111411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-114111509 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (114111539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57055754 + 57055755.

It is an arithmetic number, because the mean of its divisors is an integer number (57055755).

Almost surely, 2^114111509 is an apocalyptic number.

It is an amenable number.

114111509 is a deficient number, since it is larger than the sum of its proper divisors (1).

114111509 is an equidigital number, since it uses as much as digits as its factorization.

114111509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 23.

The square root of 114111509 is about 10682.2988630725. The cubic root of 114111509 is about 485.0388022946.

The spelling of 114111509 in words is "one hundred fourteen million, one hundred eleven thousand, five hundred nine".