12560131045 has 48 divisors (see below), whose sum is σ = 19264996800. Its totient is φ = 7773131520.

The previous prime is 12560130991. The next prime is 12560131061. The reversal of 12560131045 is 54013106521.

It is not a de Polignac number, because 12560131045 - 2¹⁵ = 12560098277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357841 + ... + 391369.

It is an arithmetic number, because the mean of its divisors is an integer number (401354100).

Almost surely, 2^12560131045 is an apocalyptic number.

It is an amenable number.

12560131045 is a deficient number, since it is larger than the sum of its proper divisors (6704865755).

12560131045 is a wasteful number, since it uses less digits than its factorization.

12560131045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33698 (or 33691 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 12560131045 its reverse (54013106521), we get a palindrome (66573237566).

The spelling of 12560131045 in words is "twelve billion, five hundred sixty million, one hundred thirty-one thousand, forty-five".