12533735266 has 24 divisors (see below), whose sum is σ = 20376077904. Its totient is φ = 5779678320.

The previous prime is 12533735261. The next prime is 12533735267. The reversal of 12533735266 is 66253733521.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12533735261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379965 + ... + 411631.

It is an arithmetic number, because the mean of its divisors is an integer number (849003246).

Almost surely, 2^12533735266 is an apocalyptic number.

12533735266 is a deficient number, since it is larger than the sum of its proper divisors (7842342638).

12533735266 is a wasteful number, since it uses less digits than its factorization.

12533735266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32866 (or 32853 counting only the distinct ones).

The product of its digits is 680400, while the sum is 43.

The spelling of 12533735266 in words is "twelve billion, five hundred thirty-three million, seven hundred thirty-five thousand, two hundred sixty-six".