11570520 has 64 divisors (see below), whose sum is σ = 37386720. Its totient is φ = 2847744.

The previous prime is 11570519. The next prime is 11570521. The reversal of 11570520 is 2507511.

It is an interprime number because it is at equal distance from previous prime (11570519) and next prime (11570521).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11570521) 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, 2149 + ... + 5268.

Almost surely, 2^11570520 is an apocalyptic number.

11570520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11570520 is an abundant number, since it is smaller than the sum of its proper divisors (25816200).

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

11570520 is a wasteful number, since it uses less digits than its factorization.

11570520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444 (or 7440 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 11570520 is about 3401.5467070143. The cubic root of 11570520 is about 226.1783123002.

It can be divided in two parts, 11570 and 520, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 11570520 in words is "eleven million, five hundred seventy thousand, five hundred twenty".