100600610681 has 2 divisors, whose sum is σ = 100600610682. Its totient is φ = 100600610680.

The previous prime is 100600610611. The next prime is 100600610687. The reversal of 100600610681 is 186016006001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76364348281 + 24236262400 = 276341^2 + 155680^2 .

It is a cyclic number.

It is not a de Polignac number, because 100600610681 - 2²² = 100596416377 is a prime.

It is a super-2 number, since 2×100600610681² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100600610687) 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 as a sum of consecutive naturals, namely, 50300305340 + 50300305341.

It is an arithmetic number, because the mean of its divisors is an integer number (50300305341).

Almost surely, 2^100600610681 is an apocalyptic number.

It is an amenable number.

100600610681 is a deficient number, since it is larger than the sum of its proper divisors (1).

100600610681 is an equidigital number, since it uses as much as digits as its factorization.

100600610681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 100600610681 its reverse (186016006001), we get a palindrome (286616616682).

The spelling of 100600610681 in words is "one hundred billion, six hundred million, six hundred ten thousand, six hundred eighty-one".