12563111934 has 32 divisors (see below), whose sum is σ = 29131856640. Its totient is φ = 4005629496.

The previous prime is 12563111933. The next prime is 12563111963. The reversal of 12563111934 is 43911136521.

12563111934 is a `hidden beast` number, since 1 + 2 + 5 + 631 + 1 + 19 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563111933) 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, 5056372 + ... + 5058855.

It is an arithmetic number, because the mean of its divisors is an integer number (910370520).

Almost surely, 2^12563111934 is an apocalyptic number.

12563111934 is an abundant number, since it is smaller than the sum of its proper divisors (16568744706).

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

12563111934 is a wasteful number, since it uses less digits than its factorization.

12563111934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115261 (or 10115255 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The spelling of 12563111934 in words is "twelve billion, five hundred sixty-three million, one hundred eleven thousand, nine hundred thirty-four".