11571080 has 32 divisors (see below), whose sum is σ = 26481600. Its totient is φ = 4549056.

The previous prime is 11571073. The next prime is 11571089. The reversal of 11571080 is 8017511.

It is not an unprimeable number, because it can be changed into a prime (11571089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (827550).

Almost surely, 2^11571080 is an apocalyptic number.

11571080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11571080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13240800).

11571080 is an abundant number, since it is smaller than the sum of its proper divisors (14910520).

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

11571080 is a wasteful number, since it uses less digits than its factorization.

11571080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 11571080 is about 3401.6290215131. The cubic root of 11571080 is about 226.1819611656.

Adding to 11571080 its reverse (8017511), we get a palindrome (19588591).

The spelling of 11571080 in words is "eleven million, five hundred seventy-one thousand, eighty".