12517745570 has 16 divisors (see below), whose sum is σ = 24580300608. Its totient is φ = 4551907440.

The previous prime is 12517745567. The next prime is 12517745579. The reversal of 12517745570 is 7554771521.

12517745570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12517745579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56898734 + ... + 56898953.

It is an arithmetic number, because the mean of its divisors is an integer number (1536268788).

Almost surely, 2^12517745570 is an apocalyptic number.

12517745570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12517745570 is a deficient number, since it is larger than the sum of its proper divisors (12062555038).

12517745570 is a wasteful number, since it uses less digits than its factorization.

12517745570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113797705.

The product of its (nonzero) digits is 343000, while the sum is 44.

The spelling of 12517745570 in words is "twelve billion, five hundred seventeen million, seven hundred forty-five thousand, five hundred seventy".