1381411815559 has 2 divisors, whose sum is σ = 1381411815560. Its totient is φ = 1381411815558.

The previous prime is 1381411815547. The next prime is 1381411815599. The reversal of 1381411815559 is 9555181141831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1381411815559 - 2¹⁵ = 1381411782791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1381411815599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690705907779 + 690705907780.

It is an arithmetic number, because the mean of its divisors is an integer number (690705907780).

Almost surely, 2^{1381411815559} is an apocalyptic number.

1381411815559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381411815559 is an equidigital number, since it uses as much as digits as its factorization.

1381411815559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 52.

The spelling of 1381411815559 in words is "one trillion, three hundred eighty-one billion, four hundred eleven million, eight hundred fifteen thousand, five hundred fifty-nine".