1512640012643 has 2 divisors, whose sum is σ = 1512640012644. Its totient is φ = 1512640012642.

The previous prime is 1512640012561. The next prime is 1512640012661. The reversal of 1512640012643 is 3462100462151.

It is a strong prime.

It is an emirp because it is prime and its reverse (3462100462151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1512640012643 - 2³⁶ = 1443920535907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1512640012043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756320006321 + 756320006322.

It is an arithmetic number, because the mean of its divisors is an integer number (756320006322).

Almost surely, 2^{1512640012643} is an apocalyptic number.

1512640012643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1512640012643 is an equidigital number, since it uses as much as digits as its factorization.

1512640012643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 1512640012643 its reverse (3462100462151), we get a palindrome (4974740474794).

The spelling of 1512640012643 in words is "one trillion, five hundred twelve billion, six hundred forty million, twelve thousand, six hundred forty-three".