12563849118 has 8 divisors (see below), whose sum is σ = 25127698248. Its totient is φ = 4187949704.

The previous prime is 12563849117. The next prime is 12563849119. The reversal of 12563849118 is 81194836521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12563849117) and next prime (12563849119).

It is a sphenic number, since it is the product of 3 distinct primes.

12563849118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563849113) 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, 1046987421 + ... + 1046987432.

It is an arithmetic number, because the mean of its divisors is an integer number (3140962281).

Almost surely, 2^12563849118 is an apocalyptic number.

12563849118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12563849118 is a wasteful number, since it uses less digits than its factorization.

12563849118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093974858.

The product of its digits is 414720, while the sum is 48.

The spelling of 12563849118 in words is "twelve billion, five hundred sixty-three million, eight hundred forty-nine thousand, one hundred eighteen".