111000009999949 has 32 divisors (see below), whose sum is σ = 134660097792000. Its totient is φ = 89377876453824.

The previous prime is 111000009999947. The next prime is 111000010000007. The reversal of 111000009999949 is 949999900000111.

It is not a de Polignac number, because 111000009999949 - 2¹ = 111000009999947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000009999947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2356032 + ... + 15084790.

It is an arithmetic number, because the mean of its divisors is an integer number (4208128056000).

Almost surely, 2^{111000009999949} is an apocalyptic number.

111000009999949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

111000009999949 is a deficient number, since it is larger than the sum of its proper divisors (23660087792051).

111000009999949 is a wasteful number, since it uses less digits than its factorization.

111000009999949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12729337.

The product of its (nonzero) digits is 2125764, while the sum is 61.

The spelling of 111000009999949 in words is "one hundred eleven trillion, nine million, nine hundred ninety-nine thousand, nine hundred forty-nine".