11520611 has 4 divisors (see below), whose sum is σ = 12198312. Its totient is φ = 10842912.

The previous prime is 11520601. The next prime is 11520617. The reversal of 11520611 is 11602511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11602511 = 23 ⋅504457.

It is a cyclic number.

It is not a de Polignac number, because 11520611 - 2¹⁰ = 11519587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 677683 = 11520611 / (1 + 1 + 5 + 2 + 0 + 6 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11520611.

It is not an unprimeable number, because it can be changed into a prime (11520617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338825 + ... + 338858.

It is an arithmetic number, because the mean of its divisors is an integer number (3049578).

Almost surely, 2^11520611 is an apocalyptic number.

11520611 is a deficient number, since it is larger than the sum of its proper divisors (677701).

11520611 is an equidigital number, since it uses as much as digits as its factorization.

11520611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677700.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 11520611 is about 3394.2025573027. The cubic root of 11520611 is about 225.8526397290.

The spelling of 11520611 in words is "eleven million, five hundred twenty thousand, six hundred eleven".