11522270071 has 4 divisors (see below), whose sum is σ = 12408598552. Its totient is φ = 10635941592.

The previous prime is 11522270063. The next prime is 11522270093. The reversal of 11522270071 is 17007222511.

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 11522270071 - 2³ = 11522270063 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 (11522270021) 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, 443164221 + ... + 443164246.

It is an arithmetic number, because the mean of its divisors is an integer number (3102149638).

Almost surely, 2^11522270071 is an apocalyptic number.

11522270071 is a deficient number, since it is larger than the sum of its proper divisors (886328481).

11522270071 is an equidigital number, since it uses as much as digits as its factorization.

11522270071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886328480.

The product of its (nonzero) digits is 1960, while the sum is 28.

Adding to 11522270071 its reverse (17007222511), we get a palindrome (28529492582).

The spelling of 11522270071 in words is "eleven billion, five hundred twenty-two million, two hundred seventy thousand, seventy-one".