12507681852863 has 2 divisors, whose sum is σ = 12507681852864. Its totient is φ = 12507681852862.

The previous prime is 12507681852859. The next prime is 12507681852901. The reversal of 12507681852863 is 36825818670521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12507681852863 - 2² = 12507681852859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12507681852796 and 12507681852805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12507681852803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253840926431 + 6253840926432.

It is an arithmetic number, because the mean of its divisors is an integer number (6253840926432).

Almost surely, 2^{12507681852863} is an apocalyptic number.

12507681852863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12507681852863 is an equidigital number, since it uses as much as digits as its factorization.

12507681852863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 12507681852863 in words is "twelve trillion, five hundred seven billion, six hundred eighty-one million, eight hundred fifty-two thousand, eight hundred sixty-three".