13803578368556 has 12 divisors (see below), whose sum is σ = 24162515410992. Its totient is φ = 6900002536848.

The previous prime is 13803578368549. The next prime is 13803578368603. The reversal of 13803578368556 is 65586387530831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446644475 + ... + 446675378.

It is an arithmetic number, because the mean of its divisors is an integer number (2013542950916).

Almost surely, 2^{13803578368556} is an apocalyptic number.

It is an amenable number.

13803578368556 is a deficient number, since it is larger than the sum of its proper divisors (10358937042436).

13803578368556 is a wasteful number, since it uses less digits than its factorization.

13803578368556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893323720 (or 893323718 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 68.

The spelling of 13803578368556 in words is "thirteen trillion, eight hundred three billion, five hundred seventy-eight million, three hundred sixty-eight thousand, five hundred fifty-six".