109611819601 has 4 divisors (see below), whose sum is σ = 114377550912. Its totient is φ = 104846088292.

The previous prime is 109611819599. The next prime is 109611819617. The reversal of 109611819601 is 106918116901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106918116901 = 107473 ⋅994837.

It is a cyclic number.

It is not a de Polignac number, because 109611819601 - 2¹ = 109611819599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109611819661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382865621 + ... + 2382865666.

It is an arithmetic number, because the mean of its divisors is an integer number (28594387728).

Almost surely, 2^109611819601 is an apocalyptic number.

It is an amenable number.

109611819601 is a deficient number, since it is larger than the sum of its proper divisors (4765731311).

109611819601 is an equidigital number, since it uses as much as digits as its factorization.

109611819601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765731310.

The product of its (nonzero) digits is 23328, while the sum is 43.

The spelling of 109611819601 in words is "one hundred nine billion, six hundred eleven million, eight hundred nineteen thousand, six hundred one".