11120521552 has 80 divisors (see below), whose sum is σ = 26345238400. Its totient is φ = 4441029120.

The previous prime is 11120521543. The next prime is 11120521561. The reversal of 11120521552 is 25512502111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11120521543) and next prime (11120521561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86974 + ... + 172642.

It is an arithmetic number, because the mean of its divisors is an integer number (329315480).

Almost surely, 2^11120521552 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 11120521552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13172619200).

11120521552 is an abundant number, since it is smaller than the sum of its proper divisors (15224716848).

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

11120521552 is a wasteful number, since it uses less digits than its factorization.

11120521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85764 (or 85758 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 11120521552 in words is "eleven billion, one hundred twenty million, five hundred twenty-one thousand, five hundred fifty-two".