9121563896802 has 64 divisors (see below), whose sum is σ = 21952701189120. Its totient is φ = 2468310594624.

The previous prime is 9121563896761. The next prime is 9121563896869. The reversal of 9121563896802 is 2086983651219.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1301313 + ... + 4465035.

It is an arithmetic number, because the mean of its divisors is an integer number (343010956080).

Almost surely, 2^{9121563896802} is an apocalyptic number.

9121563896802 is an abundant number, since it is smaller than the sum of its proper divisors (12831137292318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9121563896802 is a wasteful number, since it uses less digits than its factorization.

9121563896802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167367.

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 9121563896802 in words is "nine trillion, one hundred twenty-one billion, five hundred sixty-three million, eight hundred ninety-six thousand, eight hundred two".