11520642668128 has 48 divisors (see below), whose sum is σ = 26045472075840. Its totient is φ = 4961042294400.

The previous prime is 11520642668111. The next prime is 11520642668141. The reversal of 11520642668128 is 82186624602511.

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, 861285378 + ... + 861298753.

It is an arithmetic number, because the mean of its divisors is an integer number (542614001580).

Almost surely, 2^{11520642668128} is an apocalyptic number.

It is an amenable number.

11520642668128 is an abundant number, since it is smaller than the sum of its proper divisors (14524829407712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11520642668128 is a wasteful number, since it uses less digits than its factorization.

11520642668128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722584171 (or 1722584163 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 11520642668128 in words is "eleven trillion, five hundred twenty billion, six hundred forty-two million, six hundred sixty-eight thousand, one hundred twenty-eight".