9111498945 has 32 divisors (see below), whose sum is σ = 14662753920. Its totient is φ = 4831411200.

The previous prime is 9111498931. The next prime is 9111498947. The reversal of 9111498945 is 5498941119.

It is a happy number.

It is not a de Polignac number, because 9111498945 - 2⁸ = 9111498689 is a prime.

It is a super-2 number, since 2×9111498945² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9111498947) 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, 3251545 + ... + 3254345.

It is an arithmetic number, because the mean of its divisors is an integer number (458211060).

Almost surely, 2^9111498945 is an apocalyptic number.

It is an amenable number.

9111498945 is a deficient number, since it is larger than the sum of its proper divisors (5551254975).

9111498945 is a wasteful number, since it uses less digits than its factorization.

9111498945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985.

The product of its digits is 466560, while the sum is 51.

The square root of 9111498945 is about 95454.1719622563. The cubic root of 9111498945 is about 2088.6384869633.

The spelling of 9111498945 in words is "nine billion, one hundred eleven million, four hundred ninety-eight thousand, nine hundred forty-five".