11057502171 has 4 divisors (see below), whose sum is σ = 14743336232. Its totient is φ = 7371668112.

The previous prime is 11057502097. The next prime is 11057502221. The reversal of 11057502171 is 17120575011.

11057502171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17120575011 = 3 ⋅5706858337.

It is not a de Polignac number, because 11057502171 - 2¹¹ = 11057500123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11057502671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842917026 + ... + 1842917031.

It is an arithmetic number, because the mean of its divisors is an integer number (3685834058).

Almost surely, 2^11057502171 is an apocalyptic number.

11057502171 is a deficient number, since it is larger than the sum of its proper divisors (3685834061).

11057502171 is an equidigital number, since it uses as much as digits as its factorization.

11057502171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685834060.

The product of its (nonzero) digits is 2450, while the sum is 30.

The spelling of 11057502171 in words is "eleven billion, fifty-seven million, five hundred two thousand, one hundred seventy-one".