99504814544099 has 128 divisors (see below), whose sum is σ = 116924365209600. Its totient is φ = 84051095040000.

The previous prime is 99504814544053. The next prime is 99504814544117. The reversal of 99504814544099 is 99044541840599.

It is a Cunningham number, because it is equal to 9975210²-1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99504814544099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99504814544899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 46693952264 + ... + 46693954394.

It is an arithmetic number, because the mean of its divisors is an integer number (913471603200).

Almost surely, 2^{99504814544099} is an apocalyptic number.

99504814544099 is a deficient number, since it is larger than the sum of its proper divisors (17419550665501).

99504814544099 is a wasteful number, since it uses less digits than its factorization.

99504814544099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its (nonzero) digits is 335923200, while the sum is 71.

The spelling of 99504814544099 in words is "ninety-nine trillion, five hundred four billion, eight hundred fourteen million, five hundred forty-four thousand, ninety-nine".