11506051664 has 40 divisors (see below), whose sum is σ = 22585697280. Its totient is φ = 5677959168.

The previous prime is 11506051619. The next prime is 11506051679. The reversal of 11506051664 is 46615060511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377507 + ... + 406845.

It is an arithmetic number, because the mean of its divisors is an integer number (564642432).

Almost surely, 2^11506051664 is an apocalyptic number.

It is an amenable number.

11506051664 is a deficient number, since it is larger than the sum of its proper divisors (11079645616).

11506051664 is a wasteful number, since it uses less digits than its factorization.

11506051664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29667 (or 29661 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 11506051664 in words is "eleven billion, five hundred six million, fifty-one thousand, six hundred sixty-four".