11120423144 has 16 divisors (see below), whose sum is σ = 20874581700. Its totient is φ = 5553868032.

The previous prime is 11120423123. The next prime is 11120423177. The reversal of 11120423144 is 44132402111.

It can be written as a sum of positive squares in 2 ways, for example, as 11101151044 + 19272100 = 105362^2 + 4390^2 .

It is a super-2 number, since 2×11120423144² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785489 + ... + 799520.

Almost surely, 2^11120423144 is an apocalyptic number.

It is an amenable number.

11120423144 is a deficient number, since it is larger than the sum of its proper divisors (9754158556).

11120423144 is a wasteful number, since it uses less digits than its factorization.

11120423144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585892 (or 1585888 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11120423144 its reverse (44132402111), we get a palindrome (55252825255).

The spelling of 11120423144 in words is "eleven billion, one hundred twenty million, four hundred twenty-three thousand, one hundred forty-four".