13365420265 has 8 divisors (see below), whose sum is σ = 16241523840. Its totient is φ = 10556989872.

The previous prime is 13365420239. The next prime is 13365420283. The reversal of 13365420265 is 56202456331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13365420265 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16917859 + ... + 16918648.

It is an arithmetic number, because the mean of its divisors is an integer number (2030190480).

Almost surely, 2^13365420265 is an apocalyptic number.

It is an amenable number.

13365420265 is a deficient number, since it is larger than the sum of its proper divisors (2876103575).

13365420265 is an equidigital number, since it uses as much as digits as its factorization.

13365420265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33836591.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 13365420265 its reverse (56202456331), we get a palindrome (69567876596).

The spelling of 13365420265 in words is "thirteen billion, three hundred sixty-five million, four hundred twenty thousand, two hundred sixty-five".