11193761728 has 28 divisors (see below), whose sum is σ = 22929161152. Its totient is φ = 5416335360.

The previous prime is 11193761687. The next prime is 11193761729. The reversal of 11193761728 is 82716739111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11193761729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819025 + ... + 2822992.

Almost surely, 2^11193761728 is an apocalyptic number.

It is an amenable number.

11193761728 is an abundant number, since it is smaller than the sum of its proper divisors (11735399424).

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

11193761728 is an equidigital number, since it uses as much as digits as its factorization.

11193761728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642060 (or 5642050 counting only the distinct ones).

The product of its digits is 127008, while the sum is 46.

The spelling of 11193761728 in words is "eleven billion, one hundred ninety-three million, seven hundred sixty-one thousand, seven hundred twenty-eight".