8499999011111 has 8 divisors (see below), whose sum is σ = 8783285338224. Its totient is φ = 8219531453760.

The previous prime is 8499999011099. The next prime is 8499999011117. The reversal of 8499999011111 is 1111109999948.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8499999011111 - 2⁴² = 4101952500007 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 (8499999011117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704686310 + ... + 704698371.

It is an arithmetic number, because the mean of its divisors is an integer number (1097910667278).

Almost surely, 2^{8499999011111} is an apocalyptic number.

8499999011111 is a deficient number, since it is larger than the sum of its proper divisors (283286327113).

8499999011111 is a wasteful number, since it uses less digits than its factorization.

8499999011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409384881.

The product of its (nonzero) digits is 1889568, while the sum is 62.

The spelling of 8499999011111 in words is "eight trillion, four hundred ninety-nine billion, nine hundred ninety-nine million, eleven thousand, one hundred eleven".