110000110009991 has 16 divisors (see below), whose sum is σ = 113031452298240. Its totient is φ = 106997763665760.

The previous prime is 110000110009943. The next prime is 110000110009997. The reversal of 110000110009991 is 199900011000011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110000110009991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110000110009997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47702240 + ... + 49955018.

It is an arithmetic number, because the mean of its divisors is an integer number (7064465768640).

Almost surely, 2^{110000110009991} is an apocalyptic number.

110000110009991 is a deficient number, since it is larger than the sum of its proper divisors (3031342288249).

110000110009991 is a wasteful number, since it uses less digits than its factorization.

110000110009991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259214.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 110000110009991 in words is "one hundred ten trillion, one hundred ten million, nine thousand, nine hundred ninety-one".