13640013111 has 16 divisors (see below), whose sum is σ = 18681610464. Its totient is φ = 8845968384.

The previous prime is 13640013067. The next prime is 13640013119. The reversal of 13640013111 is 11131004631.

It is not a de Polignac number, because 13640013111 - 2⁷ = 13640012983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13640013119) 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, 1085215 + ... + 1097711.

It is an arithmetic number, because the mean of its divisors is an integer number (1167600654).

Almost surely, 2^13640013111 is an apocalyptic number.

13640013111 is a deficient number, since it is larger than the sum of its proper divisors (5041597353).

13640013111 is a wasteful number, since it uses less digits than its factorization.

13640013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22370.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13640013111 its reverse (11131004631), we get a palindrome (24771017742).

The spelling of 13640013111 in words is "thirteen billion, six hundred forty million, thirteen thousand, one hundred eleven".