13661342035 has 32 divisors (see below), whose sum is σ = 19045616832. Its totient is φ = 9296916480.

The previous prime is 13661342033. The next prime is 13661342111. The reversal of 13661342035 is 53024316631.

13661342035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13661342035 - 2¹ = 13661342033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13661342033) 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 31 ways as a sum of consecutive naturals, for example, 119527 + ... + 203983.

It is an arithmetic number, because the mean of its divisors is an integer number (595175526).

Almost surely, 2^13661342035 is an apocalyptic number.

13661342035 is a deficient number, since it is larger than the sum of its proper divisors (5384274797).

13661342035 is a wasteful number, since it uses less digits than its factorization.

13661342035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84663.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 13661342035 its reverse (53024316631), we get a palindrome (66685658666).

The spelling of 13661342035 in words is "thirteen billion, six hundred sixty-one million, three hundred forty-two thousand, thirty-five".