13961340911 has 16 divisors (see below), whose sum is σ = 16180300800. Its totient is φ = 11799256128.

The previous prime is 13961340907. The next prime is 13961340917. The reversal of 13961340911 is 11904316931.

It is a happy number.

13961340911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13961340911 - 2² = 13961340907 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 (13961340917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192446 + ... + 254868.

It is an arithmetic number, because the mean of its divisors is an integer number (1011268800).

Almost surely, 2^13961340911 is an apocalyptic number.

13961340911 is a deficient number, since it is larger than the sum of its proper divisors (2218959889).

13961340911 is an equidigital number, since it uses as much as digits as its factorization.

13961340911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62878.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 13961340911 in words is "thirteen billion, nine hundred sixty-one million, three hundred forty thousand, nine hundred eleven".