11520655 has 8 divisors (see below), whose sum is σ = 13843584. Its totient is φ = 9204000.

The previous prime is 11520629. The next prime is 11520659. The reversal of 11520655 is 55602511.

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

It is not a de Polignac number, because 11520655 - 2¹⁷ = 11389583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4930 + ... + 6880.

It is an arithmetic number, because the mean of its divisors is an integer number (1730448).

Almost surely, 2^11520655 is an apocalyptic number.

11520655 is a deficient number, since it is larger than the sum of its proper divisors (2322929).

11520655 is a wasteful number, since it uses less digits than its factorization.

11520655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 11520655 is about 3394.2090389368. The cubic root of 11520655 is about 225.8529272573.

The spelling of 11520655 in words is "eleven million, five hundred twenty thousand, six hundred fifty-five".