1105189513 has 2 divisors, whose sum is σ = 1105189514. Its totient is φ = 1105189512.

The previous prime is 1105189493. The next prime is 1105189517. The reversal of 1105189513 is 3159815011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760270329 + 344919184 = 27573^2 + 18572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105189513 - 2¹³ = 1105181321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105189517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552594756 + 552594757.

It is an arithmetic number, because the mean of its divisors is an integer number (552594757).

Almost surely, 2^1105189513 is an apocalyptic number.

It is an amenable number.

1105189513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105189513 is an equidigital number, since it uses as much as digits as its factorization.

1105189513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 34.

The square root of 1105189513 is about 33244.3906997857. The cubic root of 1105189513 is about 1033.9009120416.

The spelling of 1105189513 in words is "one billion, one hundred five million, one hundred eighty-nine thousand, five hundred thirteen".