12575556347 has 2 divisors, whose sum is σ = 12575556348. Its totient is φ = 12575556346.

The previous prime is 12575556299. The next prime is 12575556373. The reversal of 12575556347 is 74365557521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12575556347 - 2¹⁰ = 12575555323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12575556295 and 12575556304.

It is not a weakly prime, because it can be changed into another prime (12575556377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6287778173 + 6287778174.

It is an arithmetic number, because the mean of its divisors is an integer number (6287778174).

Almost surely, 2^12575556347 is an apocalyptic number.

12575556347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12575556347 is an equidigital number, since it uses as much as digits as its factorization.

12575556347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410000, while the sum is 50.

The spelling of 12575556347 in words is "twelve billion, five hundred seventy-five million, five hundred fifty-six thousand, three hundred forty-seven".