11151270571 has 4 divisors (see below), whose sum is σ = 12744309232. Its totient is φ = 9558231912.

The previous prime is 11151270551. The next prime is 11151270583. The reversal of 11151270571 is 17507215111.

11151270571 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11151270571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11151270541) 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, 796519320 + ... + 796519333.

It is an arithmetic number, because the mean of its divisors is an integer number (3186077308).

Almost surely, 2^11151270571 is an apocalyptic number.

11151270571 is a deficient number, since it is larger than the sum of its proper divisors (1593038661).

11151270571 is an equidigital number, since it uses as much as digits as its factorization.

11151270571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593038660.

The product of its (nonzero) digits is 2450, while the sum is 31.

Adding to 11151270571 its reverse (17507215111), we get a palindrome (28658485682).

The spelling of 11151270571 in words is "eleven billion, one hundred fifty-one million, two hundred seventy thousand, five hundred seventy-one".