100000009999999 has 2 divisors, whose sum is σ = 100000010000000. Its totient is φ = 100000009999998.

The previous prime is 100000009999979. The next prime is 100000010000003. The reversal of 100000009999999 is 999999900000001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100000009999999 is a prime.

100000009999999 is a modest number, since divided by 9999999 gives 1 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 100000009999999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000009999909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000004999999 + 50000005000000.

It is an arithmetic number, because the mean of its divisors is an integer number (50000005000000).

Almost surely, 2^{100000009999999} is an apocalyptic number.

100000009999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000009999999 is an equidigital number, since it uses as much as digits as its factorization.

100000009999999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4782969, while the sum is 64.

The spelling of 100000009999999 in words is "one hundred trillion, nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".