11023225144 has 8 divisors (see below), whose sum is σ = 20668547160. Its totient is φ = 5511612568.

The previous prime is 11023225133. The next prime is 11023225163. The reversal of 11023225144 is 44152232011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11023225144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688951564 + ... + 688951579.

It is an arithmetic number, because the mean of its divisors is an integer number (2583568395).

Almost surely, 2^11023225144 is an apocalyptic number.

It is an amenable number.

11023225144 is a deficient number, since it is larger than the sum of its proper divisors (9645322016).

11023225144 is a wasteful number, since it uses less digits than its factorization.

11023225144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377903149 (or 1377903145 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11023225144 its reverse (44152232011), we get a palindrome (55175457155).

The spelling of 11023225144 in words is "eleven billion, twenty-three million, two hundred twenty-five thousand, one hundred forty-four".