9975996911 has 8 divisors (see below), whose sum is σ = 10507591920. Its totient is φ = 9445056192.

The previous prime is 9975996893. The next prime is 9975996923. The reversal of 9975996911 is 1196995799.

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 9975996911 - 2⁶ = 9975996847 is a prime.

It is a super-3 number, since 3×9975996911³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975996991) 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 7 ways as a sum of consecutive naturals, for example, 132110 + ... + 193403.

It is an arithmetic number, because the mean of its divisors is an integer number (1313448990).

Almost surely, 2^9975996911 is an apocalyptic number.

9975996911 is a deficient number, since it is larger than the sum of its proper divisors (531595009).

9975996911 is a wasteful number, since it uses less digits than its factorization.

9975996911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327145.

The product of its digits is 12400290, while the sum is 65.

The square root of 9975996911 is about 99879.9124499016. The cubic root of 9975996911 is about 2152.7095394096.

The spelling of 9975996911 in words is "nine billion, nine hundred seventy-five million, nine hundred ninety-six thousand, nine hundred eleven".