13886997611 has 4 divisors (see below), whose sum is σ = 13887505800. Its totient is φ = 13886489424.

The previous prime is 13886997599. The next prime is 13886997617. The reversal of 13886997611 is 11679968831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11679968831 = 67 ⋅174327893.

It is a cyclic number.

It is not a de Polignac number, because 13886997611 - 2⁶ = 13886997547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13886997617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210626 + ... + 268583.

It is an arithmetic number, because the mean of its divisors is an integer number (3471876450).

Almost surely, 2^13886997611 is an apocalyptic number.

13886997611 is a deficient number, since it is larger than the sum of its proper divisors (508189).

13886997611 is an equidigital number, since it uses as much as digits as its factorization.

13886997611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508188.

The product of its digits is 3919104, while the sum is 59.

The spelling of 13886997611 in words is "thirteen billion, eight hundred eighty-six million, nine hundred ninety-seven thousand, six hundred eleven".