1351115663 has 2 divisors, whose sum is σ = 1351115664. Its totient is φ = 1351115662.

The previous prime is 1351115659. The next prime is 1351115677. The reversal of 1351115663 is 3665111531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1351115663 - 2² = 1351115659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351115693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675557831 + 675557832.

It is an arithmetic number, because the mean of its divisors is an integer number (675557832).

Almost surely, 2^1351115663 is an apocalyptic number.

1351115663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351115663 is an equidigital number, since it uses as much as digits as its factorization.

1351115663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 32.

The square root of 1351115663 is about 36757.5252567416. The cubic root of 1351115663 is about 1105.5138204013.

The spelling of 1351115663 in words is "one billion, three hundred fifty-one million, one hundred fifteen thousand, six hundred sixty-three".