13640116111 has 4 divisors (see below), whose sum is σ = 13640387992. Its totient is φ = 13639844232.

The previous prime is 13640116109. The next prime is 13640116123. The reversal of 13640116111 is 11161104631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11161104631 = 4639 ⋅2405929.

It is a cyclic number.

It is not a de Polignac number, because 13640116111 - 2¹ = 13640116109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13640116151) 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, 36381 + ... + 169126.

It is an arithmetic number, because the mean of its divisors is an integer number (3410096998).

Almost surely, 2^13640116111 is an apocalyptic number.

13640116111 is a deficient number, since it is larger than the sum of its proper divisors (271881).

13640116111 is an equidigital number, since it uses as much as digits as its factorization.

13640116111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271880.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 13640116111 in words is "thirteen billion, six hundred forty million, one hundred sixteen thousand, one hundred eleven".