1103201611 has 2 divisors, whose sum is σ = 1103201612. Its totient is φ = 1103201610.

The previous prime is 1103201609. The next prime is 1103201639. The reversal of 1103201611 is 1161023011.

It is a weak prime.

It is an emirp because it is prime and its reverse (1161023011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103201611 - 2¹ = 1103201609 is a prime.

Together with 1103201609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1103201651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551600805 + 551600806.

It is an arithmetic number, because the mean of its divisors is an integer number (551600806).

Almost surely, 2^1103201611 is an apocalyptic number.

1103201611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103201611 is an equidigital number, since it uses as much as digits as its factorization.

1103201611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1103201611 is about 33214.4789361507. The cubic root of 1103201611 is about 1033.2806482215.

Adding to 1103201611 its reverse (1161023011), we get a palindrome (2264224622).

The spelling of 1103201611 in words is "one billion, one hundred three million, two hundred one thousand, six hundred eleven".