11731423991762 has 16 divisors (see below), whose sum is σ = 18037058216184. Its totient is φ = 5722645782400.

The previous prime is 11731423991761. The next prime is 11731423991773. The reversal of 11731423991762 is 26719932413711.

It can be written as a sum of positive squares in 4 ways, for example, as 253483047841 + 11477940943921 = 503471^2 + 3387911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11731423991698 and 11731423991707.

It is not an unprimeable number, because it can be changed into a prime (11731423991761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42416039 + ... + 42691722.

Almost surely, 2^{11731423991762} is an apocalyptic number.

11731423991762 is a deficient number, since it is larger than the sum of its proper divisors (6305634224422).

11731423991762 is an frugal number, since it uses more digits than its factorization.

11731423991762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85107886 (or 85107804 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The spelling of 11731423991762 in words is "eleven trillion, seven hundred thirty-one billion, four hundred twenty-three million, nine hundred ninety-one thousand, seven hundred sixty-two".