291045542116 has 24 divisors (see below), whose sum is σ = 583962777216. Its totient is φ = 124332726720.

The previous prime is 291045542111. The next prime is 291045542143. The reversal of 291045542116 is 611245540192.

It is not an unprimeable number, because it can be changed into a prime (291045542111) by changing a digit.

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, 16702681 + ... + 16720096.

It is an arithmetic number, because the mean of its divisors is an integer number (24331782384).

Almost surely, 2^291045542116 is an apocalyptic number.

It is an amenable number.

291045542116 is an abundant number, since it is smaller than the sum of its proper divisors (292917235100).

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

291045542116 is a wasteful number, since it uses less digits than its factorization.

291045542116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33423099 (or 33423097 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 291045542116 in words is "two hundred ninety-one billion, forty-five million, five hundred forty-two thousand, one hundred sixteen".