11456540992 has 56 divisors (see below), whose sum is σ = 25923047976. Its totient is φ = 4976590848.

The previous prime is 11456540981. The next prime is 11456541001. The reversal of 11456540992 is 29904565411.

It can be written as a sum of positive squares in 4 ways, for example, as 3792589056 + 7663951936 = 61584^2 + 87544^2 .

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, 390853 + ... + 419140.

It is an arithmetic number, because the mean of its divisors is an integer number (462911571).

Almost surely, 2^11456540992 is an apocalyptic number.

It is an amenable number.

11456540992 is an abundant number, since it is smaller than the sum of its proper divisors (14466506984).

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

11456540992 is a wasteful number, since it uses less digits than its factorization.

11456540992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810035 (or 810025 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 11456540992 in words is "eleven billion, four hundred fifty-six million, five hundred forty thousand, nine hundred ninety-two".