1385308565507 has 2 divisors, whose sum is σ = 1385308565508. Its totient is φ = 1385308565506.

The previous prime is 1385308565497. The next prime is 1385308565633. The reversal of 1385308565507 is 7055658035831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1385308565507 - 2¹⁴ = 1385308549123 is a prime.

It is a super-2 number, since 2×1385308565507² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1385308567507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692654282753 + 692654282754.

It is an arithmetic number, because the mean of its divisors is an integer number (692654282754).

Almost surely, 2^{1385308565507} is an apocalyptic number.

1385308565507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385308565507 is an equidigital number, since it uses as much as digits as its factorization.

1385308565507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120000, while the sum is 56.

The spelling of 1385308565507 in words is "one trillion, three hundred eighty-five billion, three hundred eight million, five hundred sixty-five thousand, five hundred seven".