11520311505052 has 12 divisors (see below), whose sum is σ = 23040623010160. Its totient is φ = 4937276359296.

The previous prime is 11520311505011. The next prime is 11520311505061. The reversal of 11520311505052 is 25050511302511.

11520311505052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205719848277 + ... + 205719848332.

Almost surely, 2^{11520311505052} is an apocalyptic number.

It is an amenable number.

11520311505052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11520311505052 is a wasteful number, since it uses less digits than its factorization.

11520311505052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411439696620 (or 411439696618 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 11520311505052 its reverse (25050511302511), we get a palindrome (36570822807563).

The spelling of 11520311505052 in words is "eleven trillion, five hundred twenty billion, three hundred eleven million, five hundred five thousand, fifty-two".