12525887249 has 8 divisors (see below), whose sum is σ = 13690533888. Its totient is φ = 11408777280.

The previous prime is 12525887221. The next prime is 12525887267. The reversal of 12525887249 is 94278852521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12525887249 - 2⁸ = 12525886993 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 12525887249.

It is not an unprimeable number, because it can be changed into a prime (12525887219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11883617 + ... + 11884670.

It is an arithmetic number, because the mean of its divisors is an integer number (1711316736).

Almost surely, 2^12525887249 is an apocalyptic number.

It is an amenable number.

12525887249 is a deficient number, since it is larger than the sum of its proper divisors (1164646639).

12525887249 is a wasteful number, since it uses less digits than its factorization.

12525887249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23768335.

The product of its digits is 3225600, while the sum is 53.

The spelling of 12525887249 in words is "twelve billion, five hundred twenty-five million, eight hundred eighty-seven thousand, two hundred forty-nine".