116568388261 has 16 divisors (see below), whose sum is σ = 128825766720. Its totient is φ = 104790430080.

The previous prime is 116568388243. The next prime is 116568388271. The reversal of 116568388261 is 162883865611.

It is a cyclic number.

It is not a de Polignac number, because 116568388261 - 2²³ = 116559999653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116568388271) 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, 105850 + ... + 494308.

It is an arithmetic number, because the mean of its divisors is an integer number (8051610420).

Almost surely, 2^116568388261 is an apocalyptic number.

It is an amenable number.

116568388261 is a deficient number, since it is larger than the sum of its proper divisors (12257378459).

116568388261 is a wasteful number, since it uses less digits than its factorization.

116568388261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389076.

The product of its digits is 3317760, while the sum is 55.

The spelling of 116568388261 in words is "one hundred sixteen billion, five hundred sixty-eight million, three hundred eighty-eight thousand, two hundred sixty-one".