109173957508 has 24 divisors (see below), whose sum is σ = 238197726144. Its totient is φ = 42535308000.

The previous prime is 109173957457. The next prime is 109173957539. The reversal of 109173957508 is 805759371901.

It is an unprimeable number.

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, 177230143 + ... + 177230758.

It is an arithmetic number, because the mean of its divisors is an integer number (9924905256).

Almost surely, 2^109173957508 is an apocalyptic number.

It is an amenable number.

109173957508 is an abundant number, since it is smaller than the sum of its proper divisors (129023768636).

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

109173957508 is a wasteful number, since it uses less digits than its factorization.

109173957508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354460923 (or 354460921 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 55.

The spelling of 109173957508 in words is "one hundred nine billion, one hundred seventy-three million, nine hundred fifty-seven thousand, five hundred eight".