13506380778104 has 16 divisors (see below), whose sum is σ = 26657330483400. Its totient is φ = 6397759315872.

The previous prime is 13506380777921. The next prime is 13506380778109. The reversal of 13506380778104 is 40187708360531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506380778109) 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 3 ways as a sum of consecutive naturals, for example, 44428883987 + ... + 44428884290.

Almost surely, 2^{13506380778104} is an apocalyptic number.

It is an amenable number.

13506380778104 is a deficient number, since it is larger than the sum of its proper divisors (13150949705296).

13506380778104 is a wasteful number, since it uses less digits than its factorization.

13506380778104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88857768302 (or 88857768298 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 13506380778104 in words is "thirteen trillion, five hundred six billion, three hundred eighty million, seven hundred seventy-eight thousand, one hundred four".