16954869557011 has 2 divisors, whose sum is σ = 16954869557012. Its totient is φ = 16954869557010.

The previous prime is 16954869556987. The next prime is 16954869557039. The reversal of 16954869557011 is 11075596845961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16954869557011 - 2⁵ = 16954869556979 is a prime.

It is not a weakly prime, because it can be changed into another prime (16954869557111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8477434778505 + 8477434778506.

It is an arithmetic number, because the mean of its divisors is an integer number (8477434778506).

Almost surely, 2^{16954869557011} is an apocalyptic number.

16954869557011 is a deficient number, since it is larger than the sum of its proper divisors (1).

16954869557011 is an equidigital number, since it uses as much as digits as its factorization.

16954869557011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648000, while the sum is 67.

The spelling of 16954869557011 in words is "sixteen trillion, nine hundred fifty-four billion, eight hundred sixty-nine million, five hundred fifty-seven thousand, eleven".