11271160420 has 48 divisors (see below), whose sum is σ = 26312444928. Its totient is φ = 4027409280.

The previous prime is 11271160393. The next prime is 11271160423. The reversal of 11271160420 is 2406117211.

It is not an unprimeable number, because it can be changed into a prime (11271160423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691144 + ... + 707263.

It is an arithmetic number, because the mean of its divisors is an integer number (548175936).

Almost surely, 2^11271160420 is an apocalyptic number.

11271160420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11271160420 is an abundant number, since it is smaller than the sum of its proper divisors (15041284508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11271160420 is a wasteful number, since it uses less digits than its factorization.

11271160420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398460 (or 1398458 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 11271160420 its reverse (2406117211), we get a palindrome (13677277631).

The spelling of 11271160420 in words is "eleven billion, two hundred seventy-one million, one hundred sixty thousand, four hundred twenty".