109427691775 has 12 divisors (see below), whose sum is σ = 137325163752. Its totient is φ = 86487427040.

The previous prime is 109427691761. The next prime is 109427691797. The reversal of 109427691775 is 577196724901.

It is a happy number.

It is not a de Polignac number, because 109427691775 - 2¹¹ = 109427689727 is a prime.

It is a super-3 number, since 3×109427691775³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26366044 + ... + 26370193.

It is an arithmetic number, because the mean of its divisors is an integer number (11443763646).

Almost surely, 2^109427691775 is an apocalyptic number.

109427691775 is a deficient number, since it is larger than the sum of its proper divisors (27897471977).

109427691775 is an equidigital number, since it uses as much as digits as its factorization.

109427691775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52736330 (or 52736325 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 109427691775 in words is "one hundred nine billion, four hundred twenty-seven million, six hundred ninety-one thousand, seven hundred seventy-five".