9691159611042 has 128 divisors (see below), whose sum is σ = 26740301253120. Its totient is φ = 2533291407360.

The previous prime is 9691159611037. The next prime is 9691159611043. The reversal of 9691159611042 is 2401169511969.

9691159611042 is a `hidden beast` number, since 9 + 6 + 9 + 1 + 1 + 596 + 1 + 1 + 0 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 9691159611042.

It is not an unprimeable number, because it can be changed into a prime (9691159611043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8171059 + ... + 9281622.

It is an arithmetic number, because the mean of its divisors is an integer number (208908603540).

Almost surely, 2^{9691159611042} is an apocalyptic number.

9691159611042 is an abundant number, since it is smaller than the sum of its proper divisors (17049141642078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9691159611042 is a wasteful number, since it uses less digits than its factorization.

9691159611042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17452825 (or 17452819 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The spelling of 9691159611042 in words is "nine trillion, six hundred ninety-one billion, one hundred fifty-nine million, six hundred eleven thousand, forty-two".