16956471193111 has 8 divisors (see below), whose sum is σ = 17850051560880. Its totient is φ = 16063004276928.

The previous prime is 16956471193091. The next prime is 16956471193153. The reversal of 16956471193111 is 11139117465961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16956471193111 - 2¹¹ = 16956471191063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16956471190111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28056016 + ... + 28654021.

It is an arithmetic number, because the mean of its divisors is an integer number (2231256445110).

Almost surely, 2^{16956471193111} is an apocalyptic number.

16956471193111 is a deficient number, since it is larger than the sum of its proper divisors (893580367769).

16956471193111 is a wasteful number, since it uses less digits than its factorization.

16956471193111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56725793.

The product of its digits is 1224720, while the sum is 55.

The spelling of 16956471193111 in words is "sixteen trillion, nine hundred fifty-six billion, four hundred seventy-one million, one hundred ninety-three thousand, one hundred eleven".