11055340520 has 64 divisors (see below), whose sum is σ = 28451001600. Its totient is φ = 3787338240.

The previous prime is 11055340507. The next prime is 11055340523. The reversal of 11055340520 is 2504355011.

It is a self number, because there is not a number n which added to its sum of digits gives 11055340520.

It is not an unprimeable number, because it can be changed into a prime (11055340523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345605 + ... + 376235.

It is an arithmetic number, because the mean of its divisors is an integer number (444546900).

Almost surely, 2^11055340520 is an apocalyptic number.

11055340520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11055340520 is an abundant number, since it is smaller than the sum of its proper divisors (17395661080).

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

11055340520 is a wasteful number, since it uses less digits than its factorization.

11055340520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31938 (or 31934 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 11055340520 its reverse (2504355011), we get a palindrome (13559695531).

The spelling of 11055340520 in words is "eleven billion, fifty-five million, three hundred forty thousand, five hundred twenty".