1130544013 has 12 divisors (see below), whose sum is σ = 1207240660. Its totient is φ = 1058476032.

The previous prime is 1130544011. The next prime is 1130544031. The reversal of 1130544013 is 3104450311.

It can be written as a sum of positive squares in 6 ways, for example, as 101545929 + 1028998084 = 10077^2 + 32078^2 .

It is not a de Polignac number, because 1130544013 - 2¹ = 1130544011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130544011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45643 + ... + 65911.

Almost surely, 2^1130544013 is an apocalyptic number.

It is an amenable number.

1130544013 is a deficient number, since it is larger than the sum of its proper divisors (76696647).

1130544013 is a wasteful number, since it uses less digits than its factorization.

1130544013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20496 (or 20479 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1130544013 is about 33623.5633596441. The cubic root of 1130544013 is about 1041.7475589561.

Adding to 1130544013 its reverse (3104450311), we get a palindrome (4234994324).

The spelling of 1130544013 in words is "one billion, one hundred thirty million, five hundred forty-four thousand, thirteen".