11521325413338 has 32 divisors (see below), whose sum is σ = 26274877868736. Its totient is φ = 3336492427008.

The previous prime is 11521325413331. The next prime is 11521325413393. The reversal of 11521325413338 is 83331452312511.

It is a self number, because there is not a number n which added to its sum of digits gives 11521325413338.

It is not an unprimeable number, because it can be changed into a prime (11521325413331) 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, 4344389856 + ... + 4344392507.

It is an arithmetic number, because the mean of its divisors is an integer number (821089933398).

Almost surely, 2^{11521325413338} is an apocalyptic number.

11521325413338 is an abundant number, since it is smaller than the sum of its proper divisors (14753552455398).

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

11521325413338 is a wasteful number, since it uses less digits than its factorization.

11521325413338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688782398.

The product of its digits is 259200, while the sum is 42.

Adding to 11521325413338 its reverse (83331452312511), we get a palindrome (94852777725849).

The spelling of 11521325413338 in words is "eleven trillion, five hundred twenty-one billion, three hundred twenty-five million, four hundred thirteen thousand, three hundred thirty-eight".