11560861 has 8 divisors (see below), whose sum is σ = 12852224. Its totient is φ = 10326960.

The previous prime is 11560853. The next prime is 11560891. The reversal of 11560861 is 16806511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11560861 - 2³ = 11560853 is a prime.

It is a super-2 number, since 2×11560861² = 267307014122642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11560831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13941 + ... + 14746.

It is an arithmetic number, because the mean of its divisors is an integer number (1606528).

Almost surely, 2^11560861 is an apocalyptic number.

It is an amenable number.

11560861 is a deficient number, since it is larger than the sum of its proper divisors (1291363).

11560861 is a wasteful number, since it uses less digits than its factorization.

11560861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28731.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11560861 is about 3400.1266152895. The cubic root of 11560861 is about 226.1153573505.

It can be divided in two parts, 11560 and 861, that added together give a palindrome (12421).

The spelling of 11560861 in words is "eleven million, five hundred sixty thousand, eight hundred sixty-one".