44561111099 has 4 divisors (see below), whose sum is σ = 46498550736. Its totient is φ = 42623671464.

The previous prime is 44561111083. The next prime is 44561111117. The reversal of 44561111099 is 99011116544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44561111099 - 2⁴ = 44561111083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44561111299) 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, 968719784 + ... + 968719829.

It is an arithmetic number, because the mean of its divisors is an integer number (11624637684).

Almost surely, 2^44561111099 is an apocalyptic number.

44561111099 is a deficient number, since it is larger than the sum of its proper divisors (1937439637).

44561111099 is a wasteful number, since it uses less digits than its factorization.

44561111099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937439636.

The product of its (nonzero) digits is 38880, while the sum is 41.

Subtracting 44561111099 from its reverse (99011116544), we obtain a palindrome (54450005445).

The spelling of 44561111099 in words is "forty-four billion, five hundred sixty-one million, one hundred eleven thousand, ninety-nine".