1380025260077 has 2 divisors, whose sum is σ = 1380025260078. Its totient is φ = 1380025260076.

The previous prime is 1380025260071. The next prime is 1380025260121. The reversal of 1380025260077 is 7700625200831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1283267558596 + 96757701481 = 1132814^2 + 311059^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380025260077 - 2¹⁸ = 1380024997933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380025260071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690012630038 + 690012630039.

It is an arithmetic number, because the mean of its divisors is an integer number (690012630039).

Almost surely, 2^{1380025260077} is an apocalyptic number.

It is an amenable number.

1380025260077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380025260077 is an equidigital number, since it uses as much as digits as its factorization.

1380025260077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 1380025260077 in words is "one trillion, three hundred eighty billion, twenty-five million, two hundred sixty thousand, seventy-seven".