12575565443 has 16 divisors (see below), whose sum is σ = 14752316160. Its totient is φ = 10497291936.

The previous prime is 12575565437. The next prime is 12575565461. The reversal of 12575565443 is 34456557521.

It is a cyclic number.

It is not a de Polignac number, because 12575565443 - 2⁴ = 12575565427 is a prime.

It is a super-2 number, since 2×12575565443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12575565403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98096 + ... + 186477.

It is an arithmetic number, because the mean of its divisors is an integer number (922019760).

Almost surely, 2^12575565443 is an apocalyptic number.

12575565443 is a deficient number, since it is larger than the sum of its proper divisors (2176750717).

12575565443 is a wasteful number, since it uses less digits than its factorization.

12575565443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284746.

The product of its digits is 2520000, while the sum is 47.

The spelling of 12575565443 in words is "twelve billion, five hundred seventy-five million, five hundred sixty-five thousand, four hundred forty-three".