9611312011 has 4 divisors (see below), whose sum is σ = 10984356592. Its totient is φ = 8238267432.

The previous prime is 9611311991. The next prime is 9611312017. The reversal of 9611312011 is 1102131169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1102131169 = 97 ⋅11362177.

It is a cyclic number.

It is not a de Polignac number, because 9611312011 - 2⁹ = 9611311499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9611312017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686522280 + ... + 686522293.

It is an arithmetic number, because the mean of its divisors is an integer number (2746089148).

Almost surely, 2^9611312011 is an apocalyptic number.

9611312011 is a deficient number, since it is larger than the sum of its proper divisors (1373044581).

9611312011 is a wasteful number, since it uses less digits than its factorization.

9611312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373044580.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 9611312011 is about 98037.2990805030. The cubic root of 9611312011 is about 2126.1515888515.

The spelling of 9611312011 in words is "nine billion, six hundred eleven million, three hundred twelve thousand, eleven".