9111011113 has 4 divisors (see below), whose sum is σ = 9425183940. Its totient is φ = 8796838288.

The previous prime is 9111011111. The next prime is 9111011123. The reversal of 9111011113 is 3111101119.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2525364009 + 6585647104 = 50253^2 + 81152^2 .

It is a cyclic number.

It is not a de Polignac number, because 9111011113 - 2¹ = 9111011111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9111011111) 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, 157086370 + ... + 157086427.

It is an arithmetic number, because the mean of its divisors is an integer number (2356295985).

Almost surely, 2^9111011113 is an apocalyptic number.

It is an amenable number.

9111011113 is a deficient number, since it is larger than the sum of its proper divisors (314172827).

9111011113 is a wasteful number, since it uses less digits than its factorization.

9111011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314172826.

The product of its (nonzero) digits is 27, while the sum is 19.

The square root of 9111011113 is about 95451.6166075777. The cubic root of 9111011113 is about 2088.6012108839.

The spelling of 9111011113 in words is "nine billion, one hundred eleven million, eleven thousand, one hundred thirteen".