11513325055 has 24 divisors (see below), whose sum is σ = 14690804688. Its totient is φ = 8660410368.

The previous prime is 11513325049. The next prime is 11513325059. The reversal of 11513325055 is 55052331511.

It is not a de Polignac number, because 11513325055 - 2¹¹ = 11513323007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513325059) 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, 1755292 + ... + 1761838.

It is an arithmetic number, because the mean of its divisors is an integer number (612116862).

Almost surely, 2^11513325055 is an apocalyptic number.

11513325055 is a deficient number, since it is larger than the sum of its proper divisors (3177479633).

11513325055 is a wasteful number, since it uses less digits than its factorization.

11513325055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803 (or 7786 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 11513325055 its reverse (55052331511), we get a palindrome (66565656566).

The spelling of 11513325055 in words is "eleven billion, five hundred thirteen million, three hundred twenty-five thousand, fifty-five".