11013442552 has 32 divisors (see below), whose sum is σ = 23603868000. Its totient is φ = 4719320064.

The previous prime is 11013442543. The next prime is 11013442589. The reversal of 11013442552 is 25524431011.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11013442552.

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, 517824 + ... + 538672.

It is an arithmetic number, because the mean of its divisors is an integer number (737620875).

Almost surely, 2^11013442552 is an apocalyptic number.

It is an amenable number.

11013442552 is an abundant number, since it is smaller than the sum of its proper divisors (12590425448).

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

11013442552 is a wasteful number, since it uses less digits than its factorization.

11013442552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30295 (or 30291 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11013442552 its reverse (25524431011), we get a palindrome (36537873563).

The spelling of 11013442552 in words is "eleven billion, thirteen million, four hundred forty-two thousand, five hundred fifty-two".