2011331240325 has 72 divisors (see below), whose sum is σ = 3931782323040. Its totient is φ = 974753443200.

The previous prime is 2011331240311. The next prime is 2011331240329. The reversal of 2011331240325 is 5230421331102.

2011331240325 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 331 + 2 + 4 + 0 + 325 = 666.

It is not a de Polignac number, because 2011331240325 - 2⁴ = 2011331240309 is a prime.

It is a super-2 number, since 2×2011331240325² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011331240329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5370271 + ... + 5732579.

It is an arithmetic number, because the mean of its divisors is an integer number (54608087820).

Almost surely, 2^{2011331240325} is an apocalyptic number.

2011331240325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2011331240325 is a deficient number, since it is larger than the sum of its proper divisors (1920451082715).

2011331240325 is a wasteful number, since it uses less digits than its factorization.

2011331240325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364579 (or 364571 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 2011331240325 its reverse (5230421331102), we get a palindrome (7241752571427).

The spelling of 2011331240325 in words is "two trillion, eleven billion, three hundred thirty-one million, two hundred forty thousand, three hundred twenty-five".