11225447774 has 16 divisors (see below), whose sum is σ = 17704357920. Its totient is φ = 5330340960.

The previous prime is 11225447773. The next prime is 11225447791. The reversal of 11225447774 is 47774452211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225447773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582874 + ... + 1589949.

It is an arithmetic number, because the mean of its divisors is an integer number (1106522370).

Almost surely, 2^11225447774 is an apocalyptic number.

11225447774 is a deficient number, since it is larger than the sum of its proper divisors (6478910146).

11225447774 is a wasteful number, since it uses less digits than its factorization.

11225447774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172915.

The product of its digits is 439040, while the sum is 44.

Adding to 11225447774 its reverse (47774452211), we get a palindrome (58999899985).

The spelling of 11225447774 in words is "eleven billion, two hundred twenty-five million, four hundred forty-seven thousand, seven hundred seventy-four".