12533735265 has 16 divisors (see below), whose sum is σ = 21233622528. Its totient is φ = 6291443456.

The previous prime is 12533735261. The next prime is 12533735267. The reversal of 12533735265 is 56253733521.

It is a cyclic number.

It is not a de Polignac number, because 12533735265 - 2² = 12533735261 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 24575697 + ... + 24576206.

It is an arithmetic number, because the mean of its divisors is an integer number (1327101408).

Almost surely, 2^12533735265 is an apocalyptic number.

12533735265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12533735265 is a deficient number, since it is larger than the sum of its proper divisors (8699887263).

12533735265 is a wasteful number, since it uses less digits than its factorization.

12533735265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49151928.

The product of its digits is 567000, while the sum is 42.

The spelling of 12533735265 in words is "twelve billion, five hundred thirty-three million, seven hundred thirty-five thousand, two hundred sixty-five".