115806247633663 has 4 divisors (see below), whose sum is σ = 115824626666728. Its totient is φ = 115787868600600.

The previous prime is 115806247633649. The next prime is 115806247633697. The reversal of 115806247633663 is 366336742608511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115806247633663 - 2¹⁷ = 115806247502591 is a prime.

It is a super-2 number, since 2×115806247633663² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115806247633963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9189507081 + ... + 9189519682.

It is an arithmetic number, because the mean of its divisors is an integer number (28956156666682).

Almost surely, 2^{115806247633663} is an apocalyptic number.

115806247633663 is a deficient number, since it is larger than the sum of its proper divisors (18379033065).

115806247633663 is an equidigital number, since it uses as much as digits as its factorization.

115806247633663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18379033064.

The product of its (nonzero) digits is 78382080, while the sum is 61.

The spelling of 115806247633663 in words is "one hundred fifteen trillion, eight hundred six billion, two hundred forty-seven million, six hundred thirty-three thousand, six hundred sixty-three".