1144115712 has 80 divisors (see below), whose sum is σ = 3386702880. Its totient is φ = 381367296.

The previous prime is 1144115711. The next prime is 1144115719. The reversal of 1144115712 is 2175114411.

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 (1144115711) 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, 27558 + ... + 55205.

It is an arithmetic number, because the mean of its divisors is an integer number (42333786).

Almost surely, 2^1144115712 is an apocalyptic number.

1144115712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144115712 is an abundant number, since it is smaller than the sum of its proper divisors (2242587168).

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

1144115712 is an frugal number, since it uses more digits than its factorization.

1144115712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82790 (or 82768 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1144115712 is about 33824.7795558227. The cubic root of 1144115712 is about 1045.8995671235.

The spelling of 1144115712 in words is "one billion, one hundred forty-four million, one hundred fifteen thousand, seven hundred twelve".