11227607728 has 40 divisors (see below), whose sum is σ = 22031402400. Its totient is φ = 5542540800.

The previous prime is 11227607707. The next prime is 11227607747. The reversal of 11227607728 is 82770672211.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384028 + ... + 412228.

It is an arithmetic number, because the mean of its divisors is an integer number (550785060).

Almost surely, 2^11227607728 is an apocalyptic number.

It is an amenable number.

11227607728 is a deficient number, since it is larger than the sum of its proper divisors (10803794672).

11227607728 is a wasteful number, since it uses less digits than its factorization.

11227607728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28525 (or 28519 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 11227607728 in words is "eleven billion, two hundred twenty-seven million, six hundred seven thousand, seven hundred twenty-eight".