11503727888 has 40 divisors (see below), whose sum is σ = 23066916480. Its totient is φ = 5551145600.

The previous prime is 11503727887. The next prime is 11503727899. The reversal of 11503727888 is 88872730511.

11503727888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11503727888² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11503727887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605113 + ... + 1612263.

It is an arithmetic number, because the mean of its divisors is an integer number (576672912).

Almost surely, 2^11503727888 is an apocalyptic number.

It is an amenable number.

11503727888 is an abundant number, since it is smaller than the sum of its proper divisors (11563188592).

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

11503727888 is a wasteful number, since it uses less digits than its factorization.

11503727888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655 (or 10649 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 11503727888 in words is "eleven billion, five hundred three million, seven hundred twenty-seven thousand, eight hundred eighty-eight".