13206111465 has 16 divisors (see below), whose sum is σ = 21579349248. Its totient is φ = 6893402496.

The previous prime is 13206111449. The next prime is 13206111467. The reversal of 13206111465 is 56411160231.

It is a happy number.

It is not a de Polignac number, because 13206111465 - 2⁴ = 13206111449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13206111467) 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, 9365332 + ... + 9366741.

It is an arithmetic number, because the mean of its divisors is an integer number (1348709328).

Almost surely, 2^13206111465 is an apocalyptic number.

13206111465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13206111465 is a deficient number, since it is larger than the sum of its proper divisors (8373237783).

13206111465 is a wasteful number, since it uses less digits than its factorization.

13206111465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18732128.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 13206111465 its reverse (56411160231), we get a palindrome (69617271696).

The spelling of 13206111465 in words is "thirteen billion, two hundred six million, one hundred eleven thousand, four hundred sixty-five".