116102509 has 2 divisors, whose sum is σ = 116102510. Its totient is φ = 116102508.

The previous prime is 116102507. The next prime is 116102513. The reversal of 116102509 is 905201611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105637284 + 10465225 = 10278^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 116102509 - 2¹ = 116102507 is a prime.

Together with 116102507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116102507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58051254 + 58051255.

It is an arithmetic number, because the mean of its divisors is an integer number (58051255).

Almost surely, 2^116102509 is an apocalyptic number.

It is an amenable number.

116102509 is a deficient number, since it is larger than the sum of its proper divisors (1).

116102509 is an equidigital number, since it uses as much as digits as its factorization.

116102509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 116102509 is about 10775.0874242393. The cubic root of 116102509 is about 487.8435136632.

It can be divided in two parts, 116102 and 509, that added together give a palindrome (116611).

The spelling of 116102509 in words is "one hundred sixteen million, one hundred two thousand, five hundred nine".