1361213344151 has 2 divisors, whose sum is σ = 1361213344152. Its totient is φ = 1361213344150.

The previous prime is 1361213344121. The next prime is 1361213344199. The reversal of 1361213344151 is 1514433121631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361213344151 - 2⁶ = 1361213344087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361213344121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680606672075 + 680606672076.

It is an arithmetic number, because the mean of its divisors is an integer number (680606672076).

Almost surely, 2^{1361213344151} is an apocalyptic number.

1361213344151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361213344151 is an equidigital number, since it uses as much as digits as its factorization.

1361213344151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

Adding to 1361213344151 its reverse (1514433121631), we get a palindrome (2875646465782).

The spelling of 1361213344151 in words is "one trillion, three hundred sixty-one billion, two hundred thirteen million, three hundred forty-four thousand, one hundred fifty-one".