1015243425137 has 2 divisors, whose sum is σ = 1015243425138. Its totient is φ = 1015243425136.

The previous prime is 1015243425023. The next prime is 1015243425151. The reversal of 1015243425137 is 7315243425101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942081830881 + 73161594256 = 970609^2 + 270484^2 .

It is an emirp because it is prime and its reverse (7315243425101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1015243425137 - 2¹⁸ = 1015243162993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1015243425137.

It is not a weakly prime, because it can be changed into another prime (1015243445137) 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, 507621712568 + 507621712569.

It is an arithmetic number, because the mean of its divisors is an integer number (507621712569).

Almost surely, 2^{1015243425137} is an apocalyptic number.

It is an amenable number.

1015243425137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015243425137 is an equidigital number, since it uses as much as digits as its factorization.

1015243425137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 1015243425137 in words is "one trillion, fifteen billion, two hundred forty-three million, four hundred twenty-five thousand, one hundred thirty-seven".