11829712681 has 2 divisors, whose sum is σ = 11829712682. Its totient is φ = 11829712680.

The previous prime is 11829712627. The next prime is 11829712693. The reversal of 11829712681 is 18621792811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11824605081 + 5107600 = 108741^2 + 2260^2 .

It is a cyclic number.

It is not a de Polignac number, because 11829712681 - 2⁷ = 11829712553 is a prime.

It is a super-2 number, since 2×11829712681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11829712381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5914856340 + 5914856341.

It is an arithmetic number, because the mean of its divisors is an integer number (5914856341).

Almost surely, 2^11829712681 is an apocalyptic number.

It is an amenable number.

11829712681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11829712681 is an equidigital number, since it uses as much as digits as its factorization.

11829712681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 46.

The spelling of 11829712681 in words is "eleven billion, eight hundred twenty-nine million, seven hundred twelve thousand, six hundred eighty-one".