1361234525111 has 2 divisors, whose sum is σ = 1361234525112. Its totient is φ = 1361234525110.

The previous prime is 1361234525089. The next prime is 1361234525113. The reversal of 1361234525111 is 1115254321631.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1115254321631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361234525111 - 2²⁶ = 1361167416247 is a prime.

Together with 1361234525113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361234525113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680617262555 + 680617262556.

It is an arithmetic number, because the mean of its divisors is an integer number (680617262556).

Almost surely, 2^{1361234525111} is an apocalyptic number.

1361234525111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361234525111 is an equidigital number, since it uses as much as digits as its factorization.

1361234525111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

Adding to 1361234525111 its reverse (1115254321631), we get a palindrome (2476488846742).

The spelling of 1361234525111 in words is "one trillion, three hundred sixty-one billion, two hundred thirty-four million, five hundred twenty-five thousand, one hundred eleven".