11530013055 has 32 divisors (see below), whose sum is σ = 20774320128. Its totient is φ = 5409974400.

The previous prime is 11530013039. The next prime is 11530013059. The reversal of 11530013055 is 55031003511.

It is not a de Polignac number, because 11530013055 - 2⁴ = 11530013039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530013059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1121964 + ... + 1132193.

It is an arithmetic number, because the mean of its divisors is an integer number (649197504).

Almost surely, 2^11530013055 is an apocalyptic number.

11530013055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11530013055 is a deficient number, since it is larger than the sum of its proper divisors (9244307073).

11530013055 is a wasteful number, since it uses less digits than its factorization.

11530013055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254207.

The product of its (nonzero) digits is 1125, while the sum is 24.

Adding to 11530013055 its reverse (55031003511), we get a palindrome (66561016566).

The spelling of 11530013055 in words is "eleven billion, five hundred thirty million, thirteen thousand, fifty-five".