11304225513 has 32 divisors (see below), whose sum is σ = 19151769600. Its totient is φ = 6455392848.

The previous prime is 11304225511. The next prime is 11304225521. The reversal of 11304225513 is 31552240311.

It is not a de Polignac number, because 11304225513 - 2¹ = 11304225511 is a prime.

It is a super-3 number, since 3×11304225513³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11304225511) 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, 287520 + ... + 324462.

It is an arithmetic number, because the mean of its divisors is an integer number (598492800).

Almost surely, 2^11304225513 is an apocalyptic number.

It is an amenable number.

11304225513 is a deficient number, since it is larger than the sum of its proper divisors (7847544087).

11304225513 is a wasteful number, since it uses less digits than its factorization.

11304225513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38578 (or 38572 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11304225513 its reverse (31552240311), we get a palindrome (42856465824).

The spelling of 11304225513 in words is "eleven billion, three hundred four million, two hundred twenty-five thousand, five hundred thirteen".