185528055980 has 12 divisors (see below), whose sum is σ = 389608917600. Its totient is φ = 74211222384.

The previous prime is 185528055967. The next prime is 185528056039. The reversal of 185528055980 is 89550825581.

185528055980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 4638201380 + ... + 4638201419.

It is an arithmetic number, because the mean of its divisors is an integer number (32467409800).

Almost surely, 2^185528055980 is an apocalyptic number.

185528055980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185528055980 is an abundant number, since it is smaller than the sum of its proper divisors (204080861620).

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

185528055980 is a wasteful number, since it uses less digits than its factorization.

185528055980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276402808 (or 9276402806 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 56.

The spelling of 185528055980 in words is "one hundred eighty-five billion, five hundred twenty-eight million, fifty-five thousand, nine hundred eighty".