115902729551009 has 2 divisors, whose sum is σ = 115902729551010. Its totient is φ = 115902729551008.

The previous prime is 115902729550913. The next prime is 115902729551053. The reversal of 115902729551009 is 900155927209511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88228975008784 + 27673754542225 = 9393028^2 + 5260585^2 .

It is a cyclic number.

It is not a de Polignac number, because 115902729551009 - 2¹² = 115902729546913 is a prime.

It is not a weakly prime, because it can be changed into another prime (115902729551099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57951364775504 + 57951364775505.

It is an arithmetic number, because the mean of its divisors is an integer number (57951364775505).

Almost surely, 2^{115902729551009} is an apocalyptic number.

It is an amenable number.

115902729551009 is a deficient number, since it is larger than the sum of its proper divisors (1).

115902729551009 is an equidigital number, since it uses as much as digits as its factorization.

115902729551009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2551500, while the sum is 56.

The spelling of 115902729551009 in words is "one hundred fifteen trillion, nine hundred two billion, seven hundred twenty-nine million, five hundred fifty-one thousand, nine".