2515139305543 has 2 divisors, whose sum is σ = 2515139305544. Its totient is φ = 2515139305542.

The previous prime is 2515139305541. The next prime is 2515139305561. The reversal of 2515139305543 is 3455039315152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2515139305543 - 2¹ = 2515139305541 is a prime.

Together with 2515139305541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2515139305493 and 2515139305502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515139305541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257569652771 + 1257569652772.

It is an arithmetic number, because the mean of its divisors is an integer number (1257569652772).

Almost surely, 2^{2515139305543} is an apocalyptic number.

2515139305543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515139305543 is an equidigital number, since it uses as much as digits as its factorization.

2515139305543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215000, while the sum is 46.

The spelling of 2515139305543 in words is "two trillion, five hundred fifteen billion, one hundred thirty-nine million, three hundred five thousand, five hundred forty-three".