11055203442 has 48 divisors (see below), whose sum is σ = 24290472960. Its totient is φ = 3633499296.

The previous prime is 11055203431. The next prime is 11055203449. The reversal of 11055203442 is 24430255011.

11055203442 is a `hidden beast` number, since 1 + 10 + 5 + 5 + 203 + 442 = 666.

It is not an unprimeable number, because it can be changed into a prime (11055203449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357784 + ... + 387452.

It is an arithmetic number, because the mean of its divisors is an integer number (506051520).

Almost surely, 2^11055203442 is an apocalyptic number.

11055203442 is an abundant number, since it is smaller than the sum of its proper divisors (13235269518).

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

11055203442 is a wasteful number, since it uses less digits than its factorization.

11055203442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29967 (or 29964 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 11055203442 its reverse (24430255011), we get a palindrome (35485458453).

The spelling of 11055203442 in words is "eleven billion, fifty-five million, two hundred three thousand, four hundred forty-two".