11788542072 has 48 divisors (see below), whose sum is σ = 32123206440. Its totient is φ = 3905402688.

The previous prime is 11788542071. The next prime is 11788542089. The reversal of 11788542072 is 27024588711.

11788542072 is a `hidden beast` number, since 11 + 78 + 85 + 420 + 72 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11788542071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490503 + ... + 513974.

Almost surely, 2^11788542072 is an apocalyptic number.

11788542072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11788542072 is an abundant number, since it is smaller than the sum of its proper divisors (20334664368).

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

11788542072 is a wasteful number, since it uses less digits than its factorization.

11788542072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004652 (or 1004645 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 11788542072 in words is "eleven billion, seven hundred eighty-eight million, five hundred forty-two thousand, seventy-two".