1115232644 has 6 divisors (see below), whose sum is σ = 1951657134. Its totient is φ = 557616320.

The previous prime is 1115232611. The next prime is 1115232647. The reversal of 1115232644 is 4462325111.

It can be written as a sum of positive squares in only one way, i.e., 809402500 + 305830144 = 28450^2 + 17488^2 .

It is not an unprimeable number, because it can be changed into a prime (1115232647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139404077 + ... + 139404084.

It is an arithmetic number, because the mean of its divisors is an integer number (325276189).

Almost surely, 2^1115232644 is an apocalyptic number.

It is an amenable number.

1115232644 is a deficient number, since it is larger than the sum of its proper divisors (836424490).

1115232644 is a wasteful number, since it uses less digits than its factorization.

1115232644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278808165 (or 278808163 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1115232644 is about 33395.0991015149. The cubic root of 1115232644 is about 1037.0232445232.

Adding to 1115232644 its reverse (4462325111), we get a palindrome (5577557755).

The spelling of 1115232644 in words is "one billion, one hundred fifteen million, two hundred thirty-two thousand, six hundred forty-four".