12575631376257 has 4 divisors (see below), whose sum is σ = 16767508501680. Its totient is φ = 8383754250836.

The previous prime is 12575631376241. The next prime is 12575631376291. The reversal of 12575631376257 is 75267313657521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12575631376257 - 2⁴ = 12575631376241 is a prime.

It is a super-2 number, since 2×12575631376257² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12575631376257.

It is not an unprimeable number, because it can be changed into a prime (12575631376757) 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, 2095938562707 + ... + 2095938562712.

It is an arithmetic number, because the mean of its divisors is an integer number (4191877125420).

Almost surely, 2^{12575631376257} is an apocalyptic number.

It is an amenable number.

12575631376257 is a deficient number, since it is larger than the sum of its proper divisors (4191877125423).

12575631376257 is an equidigital number, since it uses as much as digits as its factorization.

12575631376257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191877125422.

The product of its digits is 55566000, while the sum is 60.

The spelling of 12575631376257 in words is "twelve trillion, five hundred seventy-five billion, six hundred thirty-one million, three hundred seventy-six thousand, two hundred fifty-seven".