109081219755 has 16 divisors (see below), whose sum is σ = 178786780704. Its totient is φ = 56757707520.

The previous prime is 109081219733. The next prime is 109081219757. The reversal of 109081219755 is 557912180901.

It is not a de Polignac number, because 109081219755 - 2⁹ = 109081219243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109081219757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88683304 + ... + 88684533.

It is an arithmetic number, because the mean of its divisors is an integer number (11174173794).

Almost surely, 2^109081219755 is an apocalyptic number.

109081219755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109081219755 is a deficient number, since it is larger than the sum of its proper divisors (69705560949).

109081219755 is a wasteful number, since it uses less digits than its factorization.

109081219755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177367886.

The product of its (nonzero) digits is 226800, while the sum is 48.

The spelling of 109081219755 in words is "one hundred nine billion, eighty-one million, two hundred nineteen thousand, seven hundred fifty-five".