118884851863 has 4 divisors (see below), whose sum is σ = 118885790320. Its totient is φ = 118883913408.

The previous prime is 118884851861. The next prime is 118884851867. The reversal of 118884851863 is 368158488811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 368158488811 = 19 ⋅19376762569.

It is a cyclic number.

It is not a de Polignac number, because 118884851863 - 2¹ = 118884851861 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 (118884851861) 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, 242778 + ... + 544711.

It is an arithmetic number, because the mean of its divisors is an integer number (29721447580).

Almost surely, 2^118884851863 is an apocalyptic number.

118884851863 is a deficient number, since it is larger than the sum of its proper divisors (938457).

118884851863 is an equidigital number, since it uses as much as digits as its factorization.

118884851863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938456.

The product of its digits is 11796480, while the sum is 61.

The spelling of 118884851863 in words is "one hundred eighteen billion, eight hundred eighty-four million, eight hundred fifty-one thousand, eight hundred sixty-three".