8999990001011 has 2 divisors, whose sum is σ = 8999990001012. Its totient is φ = 8999990001010.

The previous prime is 8999990000983. The next prime is 8999990001019. The reversal of 8999990001011 is 1101000999998.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8999990001011 - 2¹⁸ = 8999989738867 is a prime.

It is not a weakly prime, because it can be changed into another prime (8999990001019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499995000505 + 4499995000506.

It is an arithmetic number, because the mean of its divisors is an integer number (4499995000506).

Almost surely, 2^{8999990001011} is an apocalyptic number.

8999990001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

8999990001011 is an equidigital number, since it uses as much as digits as its factorization.

8999990001011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 56.

The spelling of 8999990001011 in words is "eight trillion, nine hundred ninety-nine billion, nine hundred ninety million, one thousand, eleven".