11066720506 has 32 divisors (see below), whose sum is σ = 17984332800. Its totient is φ = 5091107760.

The previous prime is 11066720477. The next prime is 11066720543. The reversal of 11066720506 is 60502766011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156351 + ... + 215821.

It is an arithmetic number, because the mean of its divisors is an integer number (562010400).

Almost surely, 2^11066720506 is an apocalyptic number.

11066720506 is a deficient number, since it is larger than the sum of its proper divisors (6917612294).

11066720506 is a wasteful number, since it uses less digits than its factorization.

11066720506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59634.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 11066720506 in words is "eleven billion, sixty-six million, seven hundred twenty thousand, five hundred six".