12863515086 has 48 divisors (see below), whose sum is σ = 29722820400. Its totient is φ = 4006566144.

The previous prime is 12863515081. The next prime is 12863515139. The reversal of 12863515086 is 68051536821.

12863515086 is a `hidden beast` number, since 1 + 2 + 8 + 635 + 1 + 5 + 0 + 8 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863515081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108681 + ... + 193748.

It is an arithmetic number, because the mean of its divisors is an integer number (619225425).

Almost surely, 2^12863515086 is an apocalyptic number.

12863515086 is an abundant number, since it is smaller than the sum of its proper divisors (16859305314).

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

12863515086 is a wasteful number, since it uses less digits than its factorization.

12863515086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302593 (or 302590 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 12863515086 in words is "twelve billion, eight hundred sixty-three million, five hundred fifteen thousand, eighty-six".