1648611011 has 2 divisors, whose sum is σ = 1648611012. Its totient is φ = 1648611010.

The previous prime is 1648610993. The next prime is 1648611017. The reversal of 1648611011 is 1101168461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1648611011 - 2²⁶ = 1581502147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1648611017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824305505 + 824305506.

It is an arithmetic number, because the mean of its divisors is an integer number (824305506).

Almost surely, 2^1648611011 is an apocalyptic number.

1648611011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1648611011 is an equidigital number, since it uses as much as digits as its factorization.

1648611011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1648611011 is about 40603.0911507979. The cubic root of 1648611011 is about 1181.3340774361.

Adding to 1648611011 its reverse (1101168461), we get a palindrome (2749779472).

The spelling of 1648611011 in words is "one billion, six hundred forty-eight million, six hundred eleven thousand, eleven".