13140345511 has 4 divisors (see below), whose sum is σ = 13240653624. Its totient is φ = 13040037400.

The previous prime is 13140345443. The next prime is 13140345563. The reversal of 13140345511 is 11554304131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11554304131 = 86677 ⋅133303.

It is a cyclic number.

It is not a de Polignac number, because 13140345511 - 2²⁹ = 12603474599 is a prime.

It is a super-2 number, since 2×13140345511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13140345511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140345311) 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, 50153860 + ... + 50154121.

It is an arithmetic number, because the mean of its divisors is an integer number (3310163406).

Almost surely, 2^13140345511 is an apocalyptic number.

13140345511 is a deficient number, since it is larger than the sum of its proper divisors (100308113).

13140345511 is a wasteful number, since it uses less digits than its factorization.

13140345511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100308112.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 13140345511 its reverse (11554304131), we get a palindrome (24694649642).

The spelling of 13140345511 in words is "thirteen billion, one hundred forty million, three hundred forty-five thousand, five hundred eleven".