99558605781035 has 16 divisors (see below), whose sum is σ = 126524891033856. Its totient is φ = 74945834323968.

The previous prime is 99558605780983. The next prime is 99558605781053. The reversal of 99558605781035 is 53018750685599.

It is a cyclic number.

It is not a de Polignac number, because 99558605781035 - 2³⁸ = 99283727874091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99558605781035.

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 15 ways as a sum of consecutive naturals, for example, 124124774 + ... + 124924283.

It is an arithmetic number, because the mean of its divisors is an integer number (7907805689616).

Almost surely, 2^{99558605781035} is an apocalyptic number.

99558605781035 is a deficient number, since it is larger than the sum of its proper divisors (26966285252821).

99558605781035 is a wasteful number, since it uses less digits than its factorization.

99558605781035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249053782.

The product of its (nonzero) digits is 408240000, while the sum is 71.

The spelling of 99558605781035 in words is "ninety-nine trillion, five hundred fifty-eight billion, six hundred five million, seven hundred eighty-one thousand, thirty-five".