11771824718953 has 16 divisors (see below), whose sum is σ = 12793971097600. Its totient is φ = 10766343458880.

The previous prime is 11771824718947. The next prime is 11771824718971. The reversal of 11771824718953 is 35981742817711.

It is a cyclic number.

It is not a de Polignac number, because 11771824718953 - 2³³ = 11763234784361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11771824718933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78867928 + ... + 79017046.

It is an arithmetic number, because the mean of its divisors is an integer number (799623193600).

Almost surely, 2^{11771824718953} is an apocalyptic number.

11771824718953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11771824718953 is a deficient number, since it is larger than the sum of its proper divisors (1022146378647).

11771824718953 is a wasteful number, since it uses less digits than its factorization.

11771824718953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204952.

The product of its digits is 23708160, while the sum is 64.

The spelling of 11771824718953 in words is "eleven trillion, seven hundred seventy-one billion, eight hundred twenty-four million, seven hundred eighteen thousand, nine hundred fifty-three".