11520665120552 has 64 divisors (see below), whose sum is σ = 25675378396800. Its totient is φ = 4743544861440.

The previous prime is 11520665120551. The next prime is 11520665120659. The reversal of 11520665120552 is 25502156602511.

It is not an unprimeable number, because it can be changed into a prime (11520665120551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39068927 + ... + 39362702.

It is an arithmetic number, because the mean of its divisors is an integer number (401177787450).

Almost surely, 2^{11520665120552} is an apocalyptic number.

It is an amenable number.

11520665120552 is an abundant number, since it is smaller than the sum of its proper divisors (14154713276248).

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

11520665120552 is a wasteful number, since it uses less digits than its factorization.

11520665120552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78431746 (or 78431742 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 11520665120552 in words is "eleven trillion, five hundred twenty billion, six hundred sixty-five million, one hundred twenty thousand, five hundred fifty-two".