115390281646079 has 16 divisors (see below), whose sum is σ = 128986015679136. Its totient is φ = 102313572710400.

The previous prime is 115390281646049. The next prime is 115390281646091. The reversal of 115390281646079 is 970646182093511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115390281646079 - 2¹⁶ = 115390281580543 is a prime.

It is a super-2 number, since 2×115390281646079² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115390281646049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33533522 + ... + 36814095.

It is an arithmetic number, because the mean of its divisors is an integer number (8061625979946).

It is a 1-persistent number, because it is pandigital, but 2⋅115390281646079 = 230780563292158 is not.

Almost surely, 2^{115390281646079} is an apocalyptic number.

115390281646079 is a deficient number, since it is larger than the sum of its proper divisors (13595734033057).

115390281646079 is a wasteful number, since it uses less digits than its factorization.

115390281646079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70351306.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 115390281646079 in words is "one hundred fifteen trillion, three hundred ninety billion, two hundred eighty-one million, six hundred forty-six thousand, seventy-nine".