2515245306943 has 2 divisors, whose sum is σ = 2515245306944. Its totient is φ = 2515245306942.

The previous prime is 2515245306929. The next prime is 2515245307037. The reversal of 2515245306943 is 3496035425152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2515245306943 - 2⁵ = 2515245306911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515245309943) 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, 1257622653471 + 1257622653472.

It is an arithmetic number, because the mean of its divisors is an integer number (1257622653472).

Almost surely, 2^{2515245306943} is an apocalyptic number.

2515245306943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515245306943 is an equidigital number, since it uses as much as digits as its factorization.

2515245306943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 2515245306943 in words is "two trillion, five hundred fifteen billion, two hundred forty-five million, three hundred six thousand, nine hundred forty-three".