171101001101011 has 16 divisors (see below), whose sum is σ = 171958896656640. Its totient is φ = 170244801671040.

The previous prime is 171101001100957. The next prime is 171101001101057. The reversal of 171101001101011 is 110101100101171.

It is a cyclic number.

It is not a de Polignac number, because 171101001101011 - 2²⁹ = 171100464230099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171101001101111) 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, 1908435661 + ... + 1908525313.

It is an arithmetic number, because the mean of its divisors is an integer number (10747431041040).

Almost surely, 2^{171101001101011} is an apocalyptic number.

171101001101011 is a deficient number, since it is larger than the sum of its proper divisors (857895555629).

171101001101011 is an equidigital number, since it uses as much as digits as its factorization.

171101001101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99006.

The product of its (nonzero) digits is 7, while the sum is 16.

Adding to 171101001101011 its reverse (110101100101171), we get a palindrome (281202101202182).

The spelling of 171101001101011 in words is "one hundred seventy-one trillion, one hundred one billion, one million, one hundred one thousand, eleven".