115818287069 has 2 divisors, whose sum is σ = 115818287070. Its totient is φ = 115818287068.

The previous prime is 115818287041. The next prime is 115818287113. The reversal of 115818287069 is 960782818511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94227511225 + 21590775844 = 306965^2 + 146938^2 .

It is a cyclic number.

It is not a de Polignac number, because 115818287069 - 2²⁴ = 115801509853 is a prime.

It is a super-3 number, since 3×115818287069³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115818287869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57909143534 + 57909143535.

It is an arithmetic number, because the mean of its divisors is an integer number (57909143535).

Almost surely, 2^115818287069 is an apocalyptic number.

It is an amenable number.

115818287069 is a deficient number, since it is larger than the sum of its proper divisors (1).

115818287069 is an equidigital number, since it uses as much as digits as its factorization.

115818287069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 56.

The spelling of 115818287069 in words is "one hundred fifteen billion, eight hundred eighteen million, two hundred eighty-seven thousand, sixty-nine".