1648118411 has 2 divisors, whose sum is σ = 1648118412. Its totient is φ = 1648118410.

The previous prime is 1648118399. The next prime is 1648118419. The reversal of 1648118411 is 1148118461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1648118411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1648118419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824059205 + 824059206.

It is an arithmetic number, because the mean of its divisors is an integer number (824059206).

Almost surely, 2^1648118411 is an apocalyptic number.

1648118411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1648118411 is an equidigital number, since it uses as much as digits as its factorization.

1648118411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 35.

The square root of 1648118411 is about 40597.0246569869. The cubic root of 1648118411 is about 1181.2164060284.

The spelling of 1648118411 in words is "one billion, six hundred forty-eight million, one hundred eighteen thousand, four hundred eleven".