12507681852959 has 4 divisors (see below), whose sum is σ = 12509813002440. Its totient is φ = 12505550703480.

The previous prime is 12507681852947. The next prime is 12507681853003. The reversal of 12507681852959 is 95925818670521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12507681852959 - 2²⁰ = 12507680804383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507681852859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065565937 + ... + 1065577674.

It is an arithmetic number, because the mean of its divisors is an integer number (3127453250610).

Almost surely, 2^{12507681852959} is an apocalyptic number.

12507681852959 is a deficient number, since it is larger than the sum of its proper divisors (2131149481).

12507681852959 is an equidigital number, since it uses as much as digits as its factorization.

12507681852959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131149480.

The product of its (nonzero) digits is 108864000, while the sum is 68.

The spelling of 12507681852959 in words is "twelve trillion, five hundred seven billion, six hundred eighty-one million, eight hundred fifty-two thousand, nine hundred fifty-nine".