11520514644456 has 64 divisors (see below), whose sum is σ = 30769638566400. Its totient is φ = 3583757884608.

The previous prime is 11520514644413. The next prime is 11520514644461. The reversal of 11520514644456 is 65444641502511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188508900 + ... + 188570003.

It is an arithmetic number, because the mean of its divisors is an integer number (480775602600).

Almost surely, 2^{11520514644456} is an apocalyptic number.

It is an amenable number.

11520514644456 is an abundant number, since it is smaller than the sum of its proper divisors (19249123921944).

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

11520514644456 is a wasteful number, since it uses less digits than its factorization.

11520514644456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377078998 (or 377078994 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 11520514644456 in words is "eleven trillion, five hundred twenty billion, five hundred fourteen million, six hundred forty-four thousand, four hundred fifty-six".