8909399318511 has 16 divisors (see below), whose sum is σ = 12069110658816. Its totient is φ = 5845011097536.

The previous prime is 8909399318473. The next prime is 8909399318531. The reversal of 8909399318511 is 1158139939098.

It is not a de Polignac number, because 8909399318511 - 2²⁶ = 8909332209647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8909399318531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45819675 + ... + 46013708.

It is an arithmetic number, because the mean of its divisors is an integer number (754319416176).

Almost surely, 2^{8909399318511} is an apocalyptic number.

8909399318511 is a deficient number, since it is larger than the sum of its proper divisors (3159711340305).

8909399318511 is a wasteful number, since it uses less digits than its factorization.

8909399318511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91833902.

The product of its (nonzero) digits is 18895680, while the sum is 66.

The spelling of 8909399318511 in words is "eight trillion, nine hundred nine billion, three hundred ninety-nine million, three hundred eighteen thousand, five hundred eleven".