11530642451552 has 48 divisors (see below), whose sum is σ = 25952011777440. Its totient is φ = 4940167477248.

The previous prime is 11530642451539. The next prime is 11530642451693. The reversal of 11530642451552 is 25515424603511.

It is a happy number.

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, 7280027 + ... + 8721242.

It is an arithmetic number, because the mean of its divisors is an integer number (540666912030).

Almost surely, 2^{11530642451552} is an apocalyptic number.

It is an amenable number.

11530642451552 is an abundant number, since it is smaller than the sum of its proper divisors (14421369325888).

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

11530642451552 is a wasteful number, since it uses less digits than its factorization.

11530642451552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004503 (or 16004495 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 11530642451552 in words is "eleven trillion, five hundred thirty billion, six hundred forty-two million, four hundred fifty-one thousand, five hundred fifty-two".