11745053171 has 4 divisors (see below), whose sum is σ = 11745292152. Its totient is φ = 11744814192.

The previous prime is 11745053141. The next prime is 11745053179. The reversal of 11745053171 is 17135054711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11745053171 - 2¹⁸ = 11744791027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11745053179) 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 3 ways as a sum of consecutive naturals, for example, 15746 + ... + 154071.

It is an arithmetic number, because the mean of its divisors is an integer number (2936323038).

Almost surely, 2^11745053171 is an apocalyptic number.

11745053171 is a deficient number, since it is larger than the sum of its proper divisors (238981).

11745053171 is an equidigital number, since it uses as much as digits as its factorization.

11745053171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238980.

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 11745053171 in words is "eleven billion, seven hundred forty-five million, fifty-three thousand, one hundred seventy-one".