115211140663 has 4 divisors (see below), whose sum is σ = 116351845128. Its totient is φ = 114070436200.

The previous prime is 115211140609. The next prime is 115211140687. The reversal of 115211140663 is 366041112511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366041112511 = 163 ⋅2245650997.

It is a cyclic number.

It is not a de Polignac number, because 115211140663 - 2¹³ = 115211132471 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115211140063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570352081 + ... + 570352282.

It is an arithmetic number, because the mean of its divisors is an integer number (29087961282).

Almost surely, 2^115211140663 is an apocalyptic number.

115211140663 is a deficient number, since it is larger than the sum of its proper divisors (1140704465).

115211140663 is a wasteful number, since it uses less digits than its factorization.

115211140663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140704464.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 115211140663 in words is "one hundred fifteen billion, two hundred eleven million, one hundred forty thousand, six hundred sixty-three".