12534245641 has 16 divisors (see below), whose sum is σ = 13447296000. Its totient is φ = 11648221200.

The previous prime is 12534245629. The next prime is 12534245677. The reversal of 12534245641 is 14654243521.

It is a cyclic number.

It is not a de Polignac number, because 12534245641 - 2⁵ = 12534245609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12534245641.

It is not an unprimeable number, because it can be changed into a prime (12534243641) 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, 245106 + ... + 291796.

It is an arithmetic number, because the mean of its divisors is an integer number (840456000).

Almost surely, 2^12534245641 is an apocalyptic number.

It is an amenable number.

12534245641 is a deficient number, since it is larger than the sum of its proper divisors (913050359).

12534245641 is a wasteful number, since it uses less digits than its factorization.

12534245641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46980.

The product of its digits is 115200, while the sum is 37.

The spelling of 12534245641 in words is "twelve billion, five hundred thirty-four million, two hundred forty-five thousand, six hundred forty-one".