13500563356078 has 16 divisors (see below), whose sum is σ = 20480689326240. Its totient is φ = 6673684000896.

The previous prime is 13500563356061. The next prime is 13500563356087. The reversal of 13500563356078 is 87065336500531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685351 + ... + 5849122.

It is an arithmetic number, because the mean of its divisors is an integer number (1280043082890).

Almost surely, 2^{13500563356078} is an apocalyptic number.

13500563356078 is a deficient number, since it is larger than the sum of its proper divisors (6980125970162).

13500563356078 is an equidigital number, since it uses as much as digits as its factorization.

13500563356078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8543451.

The product of its (nonzero) digits is 6804000, while the sum is 52.

The spelling of 13500563356078 in words is "thirteen trillion, five hundred billion, five hundred sixty-three million, three hundred fifty-six thousand, seventy-eight".