109785011519 has 8 divisors (see below), whose sum is σ = 115567252080. Its totient is φ = 104003179200.

The previous prime is 109785011503. The next prime is 109785011527. The reversal of 109785011519 is 915110587901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109785011519 - 2⁴ = 109785011503 is a prime.

It is a super-2 number, since 2×109785011519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109785031519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560189 + ... + 730329.

It is an arithmetic number, because the mean of its divisors is an integer number (14445906510).

Almost surely, 2^109785011519 is an apocalyptic number.

109785011519 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109785011519 is a deficient number, since it is larger than the sum of its proper divisors (5782240561).

109785011519 is a wasteful number, since it uses less digits than its factorization.

109785011519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204121.

The product of its (nonzero) digits is 113400, while the sum is 47.

The spelling of 109785011519 in words is "one hundred nine billion, seven hundred eighty-five million, eleven thousand, five hundred nineteen".