11575054271 has 4 divisors (see below), whose sum is σ = 12627331944. Its totient is φ = 10522776600.

The previous prime is 11575054189. The next prime is 11575054273. The reversal of 11575054271 is 17245057511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11575054271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11575054273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526138820 + ... + 526138841.

It is an arithmetic number, because the mean of its divisors is an integer number (3156832986).

Almost surely, 2^11575054271 is an apocalyptic number.

11575054271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11575054271 is a deficient number, since it is larger than the sum of its proper divisors (1052277673).

11575054271 is a wasteful number, since it uses less digits than its factorization.

11575054271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052277672.

The product of its (nonzero) digits is 49000, while the sum is 38.

The spelling of 11575054271 in words is "eleven billion, five hundred seventy-five million, fifty-four thousand, two hundred seventy-one".