1011144163 has 2 divisors, whose sum is σ = 1011144164. Its totient is φ = 1011144162.

The previous prime is 1011144161. The next prime is 1011144203. The reversal of 1011144163 is 3614411101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011144163 - 2¹ = 1011144161 is a prime.

Together with 1011144161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1011144161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505572081 + 505572082.

It is an arithmetic number, because the mean of its divisors is an integer number (505572082).

Almost surely, 2^1011144163 is an apocalyptic number.

1011144163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011144163 is an equidigital number, since it uses as much as digits as its factorization.

1011144163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1011144163 is about 31798.4930932269. The cubic root of 1011144163 is about 1003.7010066516.

Adding to 1011144163 its reverse (3614411101), we get a palindrome (4625555264).

The spelling of 1011144163 in words is "one billion, eleven million, one hundred forty-four thousand, one hundred sixty-three".