1365085370899 has 2 divisors, whose sum is σ = 1365085370900. Its totient is φ = 1365085370898.

The previous prime is 1365085370867. The next prime is 1365085370953. The reversal of 1365085370899 is 9980735805631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1365085370899 - 2⁵ = 1365085370867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1365085370899.

It is not a weakly prime, because it can be changed into another prime (1365085370809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682542685449 + 682542685450.

It is an arithmetic number, because the mean of its divisors is an integer number (682542685450).

Almost surely, 2^{1365085370899} is an apocalyptic number.

1365085370899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365085370899 is an equidigital number, since it uses as much as digits as its factorization.

1365085370899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 1365085370899 in words is "one trillion, three hundred sixty-five billion, eighty-five million, three hundred seventy thousand, eight hundred ninety-nine".