10171091011 has 4 divisors (see below), whose sum is σ = 10186525800. Its totient is φ = 10155656224.

The previous prime is 10171091009. The next prime is 10171091057. The reversal of 10171091011 is 11019017101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11019017101 = 37 ⋅297811273.

It is a cyclic number.

It is not a de Polignac number, because 10171091011 - 2¹ = 10171091009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10171091911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7716406 + ... + 7717723.

It is an arithmetic number, because the mean of its divisors is an integer number (2546631450).

Almost surely, 2^10171091011 is an apocalyptic number.

10171091011 is a deficient number, since it is larger than the sum of its proper divisors (15434789).

10171091011 is an equidigital number, since it uses as much as digits as its factorization.

10171091011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15434788.

The product of its (nonzero) digits is 63, while the sum is 22.

It can be divided in two parts, 101710 and 91011, that added together give a square (192721 = 439²).

The spelling of 10171091011 in words is "ten billion, one hundred seventy-one million, ninety-one thousand, eleven".