100011100000649 has 2 divisors, whose sum is σ = 100011100000650. Its totient is φ = 100011100000648.

The previous prime is 100011100000601. The next prime is 100011100000699. The reversal of 100011100000649 is 946000001110001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68584368538624 + 31426731462025 = 8281568^2 + 5605955^2 .

It is a cyclic number.

It is not a de Polignac number, because 100011100000649 - 2⁸ = 100011100000393 is a prime.

It is not a weakly prime, because it can be changed into another prime (100011100000699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005550000324 + 50005550000325.

It is an arithmetic number, because the mean of its divisors is an integer number (50005550000325).

Almost surely, 2^{100011100000649} is an apocalyptic number.

It is an amenable number.

100011100000649 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011100000649 is an equidigital number, since it uses as much as digits as its factorization.

100011100000649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 100011100000649 in words is "one hundred trillion, eleven billion, one hundred million, six hundred forty-nine", and thus it is an aban number.