1361326500671 has 2 divisors, whose sum is σ = 1361326500672. Its totient is φ = 1361326500670.

The previous prime is 1361326500641. The next prime is 1361326500797. The reversal of 1361326500671 is 1760056231631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361326500671 - 2⁶ = 1361326500607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361326500641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680663250335 + 680663250336.

It is an arithmetic number, because the mean of its divisors is an integer number (680663250336).

Almost surely, 2^{1361326500671} is an apocalyptic number.

1361326500671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361326500671 is an equidigital number, since it uses as much as digits as its factorization.

1361326500671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 1361326500671 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, five hundred thousand, six hundred seventy-one".