1112144553 has 48 divisors (see below), whose sum is σ = 1861856640. Its totient is φ = 654578496.

The previous prime is 1112144533. The next prime is 1112144581. The reversal of 1112144553 is 3554412111.

It is not a de Polignac number, because 1112144553 - 2¹⁷ = 1112013481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1112144533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99651 + ... + 110247.

It is an arithmetic number, because the mean of its divisors is an integer number (38788680).

Almost surely, 2^1112144553 is an apocalyptic number.

1112144553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1112144553 is a deficient number, since it is larger than the sum of its proper divisors (749712087).

1112144553 is a wasteful number, since it uses less digits than its factorization.

1112144553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655 (or 10636 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1112144553 is about 33348.8313588348. The cubic root of 1112144553 is about 1036.0651835698.

Adding to 1112144553 its reverse (3554412111), we get a palindrome (4666556664).

The spelling of 1112144553 in words is "one billion, one hundred twelve million, one hundred forty-four thousand, five hundred fifty-three".