1351143666211 has 2 divisors, whose sum is σ = 1351143666212. Its totient is φ = 1351143666210.

The previous prime is 1351143666109. The next prime is 1351143666217. The reversal of 1351143666211 is 1126663411531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1351143666211 - 2¹⁹ = 1351143141923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351143666217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675571833105 + 675571833106.

It is an arithmetic number, because the mean of its divisors is an integer number (675571833106).

Almost surely, 2^{1351143666211} is an apocalyptic number.

1351143666211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351143666211 is an equidigital number, since it uses as much as digits as its factorization.

1351143666211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The spelling of 1351143666211 in words is "one trillion, three hundred fifty-one billion, one hundred forty-three million, six hundred sixty-six thousand, two hundred eleven".