1013530543651 has 2 divisors, whose sum is σ = 1013530543652. Its totient is φ = 1013530543650.

The previous prime is 1013530543621. The next prime is 1013530543721. The reversal of 1013530543651 is 1563450353101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013530543651 - 2¹¹ = 1013530541603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013530543651.

It is not a weakly prime, because it can be changed into another prime (1013530543621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506765271825 + 506765271826.

It is an arithmetic number, because the mean of its divisors is an integer number (506765271826).

Almost surely, 2^{1013530543651} is an apocalyptic number.

1013530543651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013530543651 is an equidigital number, since it uses as much as digits as its factorization.

1013530543651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 1013530543651 its reverse (1563450353101), we get a palindrome (2576980896752).

The spelling of 1013530543651 in words is "one trillion, thirteen billion, five hundred thirty million, five hundred forty-three thousand, six hundred fifty-one".