2011331045252 has 24 divisors (see below), whose sum is σ = 3549223265280. Its totient is φ = 997302176640.

The previous prime is 2011331045237. The next prime is 2011331045257. The reversal of 2011331045252 is 2525401331102.

It is not an unprimeable number, because it can be changed into a prime (2011331045257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4134548 + ... + 4595339.

It is an arithmetic number, because the mean of its divisors is an integer number (147884302720).

Almost surely, 2^{2011331045252} is an apocalyptic number.

It is an amenable number.

2011331045252 is a deficient number, since it is larger than the sum of its proper divisors (1537892220028).

2011331045252 is a wasteful number, since it uses less digits than its factorization.

2011331045252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730371 (or 8730369 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2011331045252 its reverse (2525401331102), we get a palindrome (4536732376354).

The spelling of 2011331045252 in words is "two trillion, eleven billion, three hundred thirty-one million, forty-five thousand, two hundred fifty-two".