2015044245943 has 2 divisors, whose sum is σ = 2015044245944. Its totient is φ = 2015044245942.

The previous prime is 2015044245937. The next prime is 2015044245971. The reversal of 2015044245943 is 3495424405102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015044245943 - 2¹³ = 2015044237751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2015044245943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015044245143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007522122971 + 1007522122972.

It is an arithmetic number, because the mean of its divisors is an integer number (1007522122972).

Almost surely, 2^{2015044245943} is an apocalyptic number.

2015044245943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015044245943 is an equidigital number, since it uses as much as digits as its factorization.

2015044245943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 2015044245943 in words is "two trillion, fifteen billion, forty-four million, two hundred forty-five thousand, nine hundred forty-three".