113863739866 has 16 divisors (see below), whose sum is σ = 182317037760. Its totient is φ = 53175800160.

The previous prime is 113863739851. The next prime is 113863739881. The reversal of 113863739866 is 668937368311.

113863739866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (113863739851) and next prime (113863739881).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21098811 + ... + 21104206.

It is an arithmetic number, because the mean of its divisors is an integer number (11394814860).

Almost surely, 2^113863739866 is an apocalyptic number.

113863739866 is a deficient number, since it is larger than the sum of its proper divisors (68453297894).

113863739866 is a wasteful number, since it uses less digits than its factorization.

113863739866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42203109.

The product of its digits is 23514624, while the sum is 61.

The spelling of 113863739866 in words is "one hundred thirteen billion, eight hundred sixty-three million, seven hundred thirty-nine thousand, eight hundred sixty-six".