11520388368252 has 120 divisors (see below), whose sum is σ = 32438902003200. Its totient is φ = 3553412242464.

The previous prime is 11520388368227. The next prime is 11520388368263. The reversal of 11520388368252 is 25286388302511.

It is a happy number.

11520388368252 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 0 + 388 + 3 + 6 + 8 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21495852 + ... + 22025267.

It is an arithmetic number, because the mean of its divisors is an integer number (270324183360).

Almost surely, 2^{11520388368252} is an apocalyptic number.

11520388368252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11520388368252 is an abundant number, since it is smaller than the sum of its proper divisors (20918513634948).

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

11520388368252 is a wasteful number, since it uses less digits than its factorization.

11520388368252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43521197 (or 43521186 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 11520388368252 in words is "eleven trillion, five hundred twenty billion, three hundred eighty-eight million, three hundred sixty-eight thousand, two hundred fifty-two".