11715560 has 32 divisors (see below), whose sum is σ = 26528040. Its totient is φ = 4656384.

The previous prime is 11715527. The next prime is 11715577. The reversal of 11715560 is 6551711.

11715560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10797796 + 917764 = 3286^2 + 958^2 .

It is a super-2 number, since 2×11715560² = 274508692227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6074 + ... + 7766.

Almost surely, 2^11715560 is an apocalyptic number.

11715560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11715560 is an abundant number, since it is smaller than the sum of its proper divisors (14812480).

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

11715560 is a wasteful number, since it uses less digits than its factorization.

11715560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 11715560 is about 3422.8000233727. The cubic root of 11715560 is about 227.1194620480.

The spelling of 11715560 in words is "eleven million, seven hundred fifteen thousand, five hundred sixty".