1100113144 has 32 divisors (see below), whose sum is σ = 2297988000. Its totient is φ = 490234752.

The previous prime is 1100113127. The next prime is 1100113169. The reversal of 1100113144 is 4413110011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179364 + ... + 185395.

It is an arithmetic number, because the mean of its divisors is an integer number (71812125).

Almost surely, 2^1100113144 is an apocalyptic number.

It is an amenable number.

1100113144 is an abundant number, since it is smaller than the sum of its proper divisors (1197874856).

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

1100113144 is a wasteful number, since it uses less digits than its factorization.

1100113144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364807 (or 364803 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1100113144 is about 33167.9535696732. The cubic root of 1100113144 is about 1032.3155070616.

Adding to 1100113144 its reverse (4413110011), we get a palindrome (5513223155).

It can be divided in two parts, 1100 and 113144, that added together give a square (114244 = 338²).

The spelling of 1100113144 in words is "one billion, one hundred million, one hundred thirteen thousand, one hundred forty-four".