1351011780011 has 2 divisors, whose sum is σ = 1351011780012. Its totient is φ = 1351011780010.

The previous prime is 1351011779981. The next prime is 1351011780017. The reversal of 1351011780011 is 1100871101531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351011780011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351011780017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675505890005 + 675505890006.

It is an arithmetic number, because the mean of its divisors is an integer number (675505890006).

Almost surely, 2^{1351011780011} is an apocalyptic number.

1351011780011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351011780011 is an equidigital number, since it uses as much as digits as its factorization.

1351011780011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 29.

Adding to 1351011780011 its reverse (1100871101531), we get a palindrome (2451882881542).

The spelling of 1351011780011 in words is "one trillion, three hundred fifty-one billion, eleven million, seven hundred eighty thousand, eleven".