1338161037611 has 2 divisors, whose sum is σ = 1338161037612. Its totient is φ = 1338161037610.

The previous prime is 1338161037581. The next prime is 1338161037613. The reversal of 1338161037611 is 1167301618331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1338161037611 is a prime.

Together with 1338161037613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1338161037613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669080518805 + 669080518806.

It is an arithmetic number, because the mean of its divisors is an integer number (669080518806).

Almost surely, 2^{1338161037611} is an apocalyptic number.

1338161037611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338161037611 is an equidigital number, since it uses as much as digits as its factorization.

1338161037611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 1338161037611 in words is "one trillion, three hundred thirty-eight billion, one hundred sixty-one million, thirty-seven thousand, six hundred eleven".