1100545013 has 2 divisors, whose sum is σ = 1100545014. Its totient is φ = 1100545012.

The previous prime is 1100544953. The next prime is 1100545021. The reversal of 1100545013 is 3105450011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077283684 + 23261329 = 32822^2 + 4823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100545013 - 2²² = 1096350709 is a prime.

It is a super-2 number, since 2×1100545013² = 2422398651278340338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100545063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550272506 + 550272507.

It is an arithmetic number, because the mean of its divisors is an integer number (550272507).

Almost surely, 2^1100545013 is an apocalyptic number.

It is an amenable number.

1100545013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100545013 is an equidigital number, since it uses as much as digits as its factorization.

1100545013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1100545013 is about 33174.4632661932. The cubic root of 1100545013 is about 1032.4505739990.

Adding to 1100545013 its reverse (3105450011), we get a palindrome (4205995024).

The spelling of 1100545013 in words is "one billion, one hundred million, five hundred forty-five thousand, thirteen".