1001011818899 has 2 divisors, whose sum is σ = 1001011818900. Its totient is φ = 1001011818898.

The previous prime is 1001011818847. The next prime is 1001011818913. The reversal of 1001011818899 is 9988181101001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001011818899 - 2⁸ = 1001011818643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1001011818809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505909449 + 500505909450.

It is an arithmetic number, because the mean of its divisors is an integer number (500505909450).

Almost surely, 2^{1001011818899} is an apocalyptic number.

1001011818899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001011818899 is an equidigital number, since it uses as much as digits as its factorization.

1001011818899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 47.

The spelling of 1001011818899 in words is "one trillion, one billion, eleven million, eight hundred eighteen thousand, eight hundred ninety-nine".