12361765064 has 16 divisors (see below), whose sum is σ = 25285428720. Its totient is φ = 5618984080.

The previous prime is 12361765051. The next prime is 12361765099. The reversal of 12361765064 is 46056716321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70237214 + ... + 70237389.

It is an arithmetic number, because the mean of its divisors is an integer number (1580339295).

Almost surely, 2^12361765064 is an apocalyptic number.

It is an amenable number.

12361765064 is an abundant number, since it is smaller than the sum of its proper divisors (12923663656).

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

12361765064 is a wasteful number, since it uses less digits than its factorization.

12361765064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140474620 (or 140474616 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 12361765064 in words is "twelve billion, three hundred sixty-one million, seven hundred sixty-five thousand, sixty-four".