99542389585552 has 80 divisors (see below), whose sum is σ = 196504605601200. Its totient is φ = 48840163328000.

The previous prime is 99542389585523. The next prime is 99542389585567. The reversal of 99542389585552 is 25558598324599.

It can be written as a sum of positive squares in 8 ways, for example, as 18717183184896 + 80825206400656 = 4326336^2 + 8990284^2 .

It is a super-2 number, since 2×99542389585552² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780483324 + ... + 780610852.

It is an arithmetic number, because the mean of its divisors is an integer number (2456307570015).

Almost surely, 2^{99542389585552} is an apocalyptic number.

It is an amenable number.

99542389585552 is a deficient number, since it is larger than the sum of its proper divisors (96962216015648).

99542389585552 is a wasteful number, since it uses less digits than its factorization.

99542389585552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131764 (or 131758 counting only the distinct ones).

The product of its digits is 6998400000, while the sum is 79.

The spelling of 99542389585552 in words is "ninety-nine trillion, five hundred forty-two billion, three hundred eighty-nine million, five hundred eighty-five thousand, five hundred fifty-two".