13661101342 has 16 divisors (see below), whose sum is σ = 23430487392. Its totient is φ = 5851893600.

The previous prime is 13661101309. The next prime is 13661101343. The reversal of 13661101342 is 24310116631.

It is a self number, because there is not a number n which added to its sum of digits gives 13661101342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13661101343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208909 + ... + 266392.

It is an arithmetic number, because the mean of its divisors is an integer number (1464405462).

Almost surely, 2^13661101342 is an apocalyptic number.

13661101342 is a deficient number, since it is larger than the sum of its proper divisors (9769386050).

13661101342 is a wasteful number, since it uses less digits than its factorization.

13661101342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477363.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 13661101342 its reverse (24310116631), we get a palindrome (37971217973).

The spelling of 13661101342 in words is "thirteen billion, six hundred sixty-one million, one hundred one thousand, three hundred forty-two".