109191480185040 has 160 divisors (see below), whose sum is σ = 369357648883200. Its totient is φ = 26464072911360.

The previous prime is 109191480185033. The next prime is 109191480185087. The reversal of 109191480185040 is 40581084191901.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5464551 + ... + 15755769.

It is an arithmetic number, because the mean of its divisors is an integer number (2308485305520).

Almost surely, 2^{109191480185040} is an apocalyptic number.

109191480185040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109191480185040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184678824441600).

109191480185040 is an abundant number, since it is smaller than the sum of its proper divisors (260166168698160).

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

109191480185040 is a wasteful number, since it uses less digits than its factorization.

109191480185040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10295265 (or 10295259 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 51.

The spelling of 109191480185040 in words is "one hundred nine trillion, one hundred ninety-one billion, four hundred eighty million, one hundred eighty-five thousand, forty".