13311224865 has 24 divisors (see below), whose sum is σ = 23076406080. Its totient is φ = 7098207264.

The previous prime is 13311224833. The next prime is 13311224873. The reversal of 13311224865 is 56842211331.

It is not a de Polignac number, because 13311224865 - 2⁵ = 13311224833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324394 + ... + 363116.

It is an arithmetic number, because the mean of its divisors is an integer number (961516920).

Almost surely, 2^13311224865 is an apocalyptic number.

13311224865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13311224865 is a deficient number, since it is larger than the sum of its proper divisors (9765181215).

13311224865 is a wasteful number, since it uses less digits than its factorization.

13311224865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46373 (or 46370 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 13311224865 in words is "thirteen billion, three hundred eleven million, two hundred twenty-four thousand, eight hundred sixty-five".