11520566112 has 48 divisors (see below), whose sum is σ = 32990715072. Its totient is φ = 3491080320.

The previous prime is 11520566089. The next prime is 11520566119. The reversal of 11520566112 is 21166502511.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 11520566112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520566119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5453758 + ... + 5455869.

It is an arithmetic number, because the mean of its divisors is an integer number (687306564).

Almost surely, 2^11520566112 is an apocalyptic number.

11520566112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11520566112 is an abundant number, since it is smaller than the sum of its proper divisors (21470148960).

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

11520566112 is a wasteful number, since it uses less digits than its factorization.

11520566112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909651 (or 10909643 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 11520566112 in words is "eleven billion, five hundred twenty million, five hundred sixty-six thousand, one hundred twelve".