109690719885 has 16 divisors (see below), whose sum is σ = 195005724480. Its totient is φ = 58501717200.

The previous prime is 109690719883. The next prime is 109690719949. The reversal of 109690719885 is 588917096901.

It is not a de Polignac number, because 109690719885 - 2¹ = 109690719883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109690719883) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 406261791 + ... + 406262060.

It is an arithmetic number, because the mean of its divisors is an integer number (12187857780).

Almost surely, 2^109690719885 is an apocalyptic number.

109690719885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109690719885 is a deficient number, since it is larger than the sum of its proper divisors (85315004595).

109690719885 is an equidigital number, since it uses as much as digits as its factorization.

109690719885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812523865 (or 812523859 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 63.

The spelling of 109690719885 in words is "one hundred nine billion, six hundred ninety million, seven hundred nineteen thousand, eight hundred eighty-five".