110550605509 has 4 divisors (see below), whose sum is σ = 111074542240. Its totient is φ = 110026668780.

The previous prime is 110550605497. The next prime is 110550605513. The reversal of 110550605509 is 905506055011.

It is a happy number.

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: 905506055011 = 587 ⋅1542599753.

It is a cyclic number.

It is not a de Polignac number, because 110550605509 - 2²⁵ = 110517051077 is a prime.

It is a super-2 number, since 2×110550605509² (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 (110550605579) 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, 261968049 + ... + 261968470.

It is an arithmetic number, because the mean of its divisors is an integer number (27768635560).

Almost surely, 2^110550605509 is an apocalyptic number.

It is an amenable number.

110550605509 is a deficient number, since it is larger than the sum of its proper divisors (523936731).

110550605509 is an equidigital number, since it uses as much as digits as its factorization.

110550605509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523936730.

The product of its (nonzero) digits is 33750, while the sum is 37.

The spelling of 110550605509 in words is "one hundred ten billion, five hundred fifty million, six hundred five thousand, five hundred nine".