11771771823536 has 20 divisors (see below), whose sum is σ = 23293080418272. Its totient is φ = 5760654296256.

The previous prime is 11771771823527. The next prime is 11771771823557. The reversal of 11771771823536 is 63532817717711.

It is a super-2 number, since 2×11771771823536² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7826975195 + ... + 7826976698.

Almost surely, 2^{11771771823536} is an apocalyptic number.

11771771823536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11771771823536 is a deficient number, since it is larger than the sum of its proper divisors (11521308594736).

11771771823536 is a wasteful number, since it uses less digits than its factorization.

11771771823536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15653951948 (or 15653951942 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 59.

The spelling of 11771771823536 in words is "eleven trillion, seven hundred seventy-one billion, seven hundred seventy-one million, eight hundred twenty-three thousand, five hundred thirty-six".