1109953513 has 2 divisors, whose sum is σ = 1109953514. Its totient is φ = 1109953512.

The previous prime is 1109953483. The next prime is 1109953519. The reversal of 1109953513 is 3153599011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 827310169 + 282643344 = 28763^2 + 16812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109953513 - 2¹³ = 1109945321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1109953519) 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, 554976756 + 554976757.

It is an arithmetic number, because the mean of its divisors is an integer number (554976757).

Almost surely, 2^1109953513 is an apocalyptic number.

It is an amenable number.

1109953513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109953513 is an equidigital number, since it uses as much as digits as its factorization.

1109953513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 37.

The square root of 1109953513 is about 33315.9648366965. The cubic root of 1109953513 is about 1035.3843510171.

The spelling of 1109953513 in words is "one billion, one hundred nine million, nine hundred fifty-three thousand, five hundred thirteen".