109597091718 has 16 divisors (see below), whose sum is σ = 224540383536. Its totient is φ = 35641330560.

The previous prime is 109597091687. The next prime is 109597091719. The reversal of 109597091718 is 817190795901.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109597091719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222758071 + ... + 222758562.

It is an arithmetic number, because the mean of its divisors is an integer number (14033773971).

Almost surely, 2^109597091718 is an apocalyptic number.

109597091718 is an abundant number, since it is smaller than the sum of its proper divisors (114943291818).

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

109597091718 is a wasteful number, since it uses less digits than its factorization.

109597091718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445516679.

The product of its (nonzero) digits is 1428840, while the sum is 57.

The spelling of 109597091718 in words is "one hundred nine billion, five hundred ninety-seven million, ninety-one thousand, seven hundred eighteen".