1105352509 has 2 divisors, whose sum is σ = 1105352510. Its totient is φ = 1105352508.

The previous prime is 1105352489. The next prime is 1105352519. The reversal of 1105352509 is 9052535011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1103701284 + 1651225 = 33222^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105352509 - 2¹¹ = 1105350461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105352519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552676254 + 552676255.

It is an arithmetic number, because the mean of its divisors is an integer number (552676255).

Almost surely, 2^1105352509 is an apocalyptic number.

It is an amenable number.

1105352509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105352509 is an equidigital number, since it uses as much as digits as its factorization.

1105352509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 1105352509 is about 33246.8420906407. The cubic root of 1105352509 is about 1033.9517369385.

The spelling of 1105352509 in words is "one billion, one hundred five million, three hundred fifty-two thousand, five hundred nine".