1338003558091 has 2 divisors, whose sum is σ = 1338003558092. Its totient is φ = 1338003558090.

The previous prime is 1338003558029. The next prime is 1338003558097. The reversal of 1338003558091 is 1908553008331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1338003558091 - 2³⁷ = 1200564604619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1338003558097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669001779045 + 669001779046.

It is an arithmetic number, because the mean of its divisors is an integer number (669001779046).

Almost surely, 2^{1338003558091} is an apocalyptic number.

1338003558091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338003558091 is an equidigital number, since it uses as much as digits as its factorization.

1338003558091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 1338003558091 in words is "one trillion, three hundred thirty-eight billion, three million, five hundred fifty-eight thousand, ninety-one".