191055484928 has 96 divisors (see below), whose sum is σ = 476282177280. Its totient is φ = 74437140480.

The previous prime is 191055484913. The next prime is 191055484931. The reversal of 191055484928 is 829484550191.

191055484928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448076 + ... + 763467.

It is an arithmetic number, because the mean of its divisors is an integer number (4961272680).

Almost surely, 2^191055484928 is an apocalyptic number.

It is an amenable number.

191055484928 is an abundant number, since it is smaller than the sum of its proper divisors (285226692352).

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

191055484928 is a wasteful number, since it uses less digits than its factorization.

191055484928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211583 (or 1211563 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 56.

The spelling of 191055484928 in words is "one hundred ninety-one billion, fifty-five million, four hundred eighty-four thousand, nine hundred twenty-eight".