11572056 has 24 divisors (see below), whose sum is σ = 31341180. Its totient is φ = 3857328.

The previous prime is 11572051. The next prime is 11572061. The reversal of 11572056 is 65027511.

It is an interprime number because it is at equal distance from previous prime (11572051) and next prime (11572061).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80290 + ... + 80433.

Almost surely, 2^11572056 is an apocalyptic number.

It is an amenable number.

11572056 is an abundant number, since it is smaller than the sum of its proper divisors (19769124).

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

11572056 is a wasteful number, since it uses less digits than its factorization.

11572056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160735 (or 160728 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 11572056 is about 3401.7724791644. The cubic root of 11572056 is about 226.1883203354.

Adding to 11572056 its reverse (65027511), we get a palindrome (76599567).

The spelling of 11572056 in words is "eleven million, five hundred seventy-two thousand, fifty-six".