1101109913 has 2 divisors, whose sum is σ = 1101109914. Its totient is φ = 1101109912.

The previous prime is 1101109909. The next prime is 1101109949. The reversal of 1101109913 is 3199011011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688695049 + 412414864 = 26243^2 + 20308^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101109913 - 2² = 1101109909 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101109993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550554956 + 550554957.

It is an arithmetic number, because the mean of its divisors is an integer number (550554957).

Almost surely, 2^1101109913 is an apocalyptic number.

It is an amenable number.

1101109913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101109913 is an equidigital number, since it uses as much as digits as its factorization.

1101109913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 26.

The square root of 1101109913 is about 33182.9762528921. The cubic root of 1101109913 is about 1032.6271930261.

The spelling of 1101109913 in words is "one billion, one hundred one million, one hundred nine thousand, nine hundred thirteen".