11315321325 has 240 divisors, whose sum is σ = 26683113600. Its totient is φ = 4699296000.

The previous prime is 11315321321. The next prime is 11315321429. The reversal of 11315321325 is 52312351311.

11315321325 is a `hidden beast` number, since 1 + 1 + 3 + 15 + 321 + 325 = 666.

11315321325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11315321325 - 2² = 11315321321 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315321321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 7639585 + ... + 7641065.

It is an arithmetic number, because the mean of its divisors is an integer number (111179640).

Almost surely, 2^11315321325 is an apocalyptic number.

11315321325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11315321325 is an abundant number, since it is smaller than the sum of its proper divisors (15367792275).

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

11315321325 is a wasteful number, since it uses less digits than its factorization.

11315321325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1507 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

Adding to 11315321325 its reverse (52312351311), we get a palindrome (63627672636).

The spelling of 11315321325 in words is "eleven billion, three hundred fifteen million, three hundred twenty-one thousand, three hundred twenty-five".