11415530056 has 96 divisors (see below), whose sum is σ = 26065036800. Its totient is φ = 4590489600.

The previous prime is 11415530047. The next prime is 11415530089. The reversal of 11415530056 is 65003551411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6488905 + ... + 6490663.

It is an arithmetic number, because the mean of its divisors is an integer number (271510800).

Almost surely, 2^11415530056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11415530056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13032518400).

11415530056 is an abundant number, since it is smaller than the sum of its proper divisors (14649506744).

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

11415530056 is a wasteful number, since it uses less digits than its factorization.

11415530056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 11415530056 in words is "eleven billion, four hundred fifteen million, five hundred thirty thousand, fifty-six".