11151051506 has 32 divisors (see below), whose sum is σ = 19591431552. Its totient is φ = 4660295040.

The previous prime is 11151051491. The next prime is 11151051523. The reversal of 11151051506 is 60515015111.

11151051506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2033240 + ... + 2038716.

It is an arithmetic number, because the mean of its divisors is an integer number (612232236).

Almost surely, 2^11151051506 is an apocalyptic number.

11151051506 is a deficient number, since it is larger than the sum of its proper divisors (8440380046).

11151051506 is a wasteful number, since it uses less digits than its factorization.

11151051506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9074.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 11151051506 its reverse (60515015111), we get a palindrome (71666066617).

The spelling of 11151051506 in words is "eleven billion, one hundred fifty-one million, fifty-one thousand, five hundred six".