11455642 has 16 divisors (see below), whose sum is σ = 18856800. Its totient is φ = 5176240.

The previous prime is 11455597. The next prime is 11455649. The reversal of 11455642 is 24655411.

It is a self number, because there is not a number n which added to its sum of digits gives 11455642.

It is not an unprimeable number, because it can be changed into a prime (11455649) 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, 2484 + ... + 5392.

It is an arithmetic number, because the mean of its divisors is an integer number (1178550).

Almost surely, 2^11455642 is an apocalyptic number.

11455642 is a deficient number, since it is larger than the sum of its proper divisors (7401158).

11455642 is a wasteful number, since it uses less digits than its factorization.

11455642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101.

The product of its digits is 4800, while the sum is 28.

The square root of 11455642 is about 3384.6184423063. The cubic root of 11455642 is about 225.4272835320.

The spelling of 11455642 in words is "eleven million, four hundred fifty-five thousand, six hundred forty-two".