12575712825857 has 2 divisors, whose sum is σ = 12575712825858. Its totient is φ = 12575712825856.

The previous prime is 12575712825839. The next prime is 12575712825979. The reversal of 12575712825857 is 75852821757521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12450707445136 + 125005380721 = 3528556^2 + 353561^2 .

It is a cyclic number.

It is not a de Polignac number, because 12575712825857 - 2²⁶ = 12575645716993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12575712825793 and 12575712825802.

It is not a weakly prime, because it can be changed into another prime (12575712825817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6287856412928 + 6287856412929.

It is an arithmetic number, because the mean of its divisors is an integer number (6287856412929).

Almost surely, 2^{12575712825857} is an apocalyptic number.

It is an amenable number.

12575712825857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12575712825857 is an equidigital number, since it uses as much as digits as its factorization.

12575712825857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109760000, while the sum is 65.

The spelling of 12575712825857 in words is "twelve trillion, five hundred seventy-five billion, seven hundred twelve million, eight hundred twenty-five thousand, eight hundred fifty-seven".