12825515888491 has 8 divisors (see below), whose sum is σ = 12878878235168. Its totient is φ = 12772154736000.

The previous prime is 12825515888489. The next prime is 12825515888533. The reversal of 12825515888491 is 19488851552821.

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 12825515888491 - 2¹ = 12825515888489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12825515888401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26051881 + ... + 26539621.

It is an arithmetic number, because the mean of its divisors is an integer number (1609859779396).

Almost surely, 2^{12825515888491} is an apocalyptic number.

12825515888491 is a deficient number, since it is larger than the sum of its proper divisors (53362346677).

12825515888491 is a wasteful number, since it uses less digits than its factorization.

12825515888491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597093.

The product of its digits is 73728000, while the sum is 67.

The spelling of 12825515888491 in words is "twelve trillion, eight hundred twenty-five billion, five hundred fifteen million, eight hundred eighty-eight thousand, four hundred ninety-one".