1091471308318 has 16 divisors (see below), whose sum is σ = 1680528700224. Its totient is φ = 531412957600.

The previous prime is 1091471308297. The next prime is 1091471308337. The reversal of 1091471308318 is 8138031741901.

1091471308318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29452033 + ... + 29489068.

It is an arithmetic number, because the mean of its divisors is an integer number (105033043764).

Almost surely, 2^{1091471308318} is an apocalyptic number.

1091471308318 is a deficient number, since it is larger than the sum of its proper divisors (589057391906).

1091471308318 is a wasteful number, since it uses less digits than its factorization.

1091471308318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58941347.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 1091471308318 in words is "one trillion, ninety-one billion, four hundred seventy-one million, three hundred eight thousand, three hundred eighteen".