11494227388 has 18 divisors (see below), whose sum is σ = 22989589448. Its totient is φ = 4925854320.

The previous prime is 11494227373. The next prime is 11494227389. The reversal of 11494227388 is 88372249411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11494227389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557178 + ... + 577438.

Almost surely, 2^11494227388 is an apocalyptic number.

It is an amenable number.

11494227388 is an abundant number, since it is smaller than the sum of its proper divisors (11495362060).

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

11494227388 is an frugal number, since it uses more digits than its factorization.

11494227388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40533 (or 20270 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The spelling of 11494227388 in words is "eleven billion, four hundred ninety-four million, two hundred twenty-seven thousand, three hundred eighty-eight".