17211155071011 has 32 divisors (see below), whose sum is σ = 25475223306240. Its totient is φ = 10247558992800.

The previous prime is 17211155070973. The next prime is 17211155071063. The reversal of 17211155071011 is 11017055111271.

It is not a de Polignac number, because 17211155071011 - 2¹⁰ = 17211155069987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (17211155071811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139726 + ... + 5868716.

It is an arithmetic number, because the mean of its divisors is an integer number (796100728320).

Almost surely, 2^{17211155071011} is an apocalyptic number.

17211155071011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

17211155071011 is a deficient number, since it is larger than the sum of its proper divisors (8264068235229).

17211155071011 is a wasteful number, since it uses less digits than its factorization.

17211155071011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730607.

The product of its (nonzero) digits is 2450, while the sum is 33.

The spelling of 17211155071011 in words is "seventeen trillion, two hundred eleven billion, one hundred fifty-five million, seventy-one thousand, eleven".