1143312670564 has 9 divisors (see below), whose sum is σ = 2000800915897. Its totient is φ = 571655266024.

The previous prime is 1143312670543. The next prime is 1143312670567. The reversal of 1143312670564 is 4650762133411.

It is a happy number.

The square root of 1143312670564 is 1069258.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 144672208164 + 998640462400 = 380358^2 + 999320^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143312670564.

It is not an unprimeable number, because it can be changed into a prime (1143312670567) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1871202 + ... + 2405830.

Almost surely, 2^{1143312670564} is an apocalyptic number.

1143312670564 is the 1069258-th square number.

It is an amenable number.

1143312670564 is a deficient number, since it is larger than the sum of its proper divisors (857488245333).

1143312670564 is an frugal number, since it uses more digits than its factorization.

1143312670564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069262 (or 534631 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1143312670564 in words is "one trillion, one hundred forty-three billion, three hundred twelve million, six hundred seventy thousand, five hundred sixty-four".