1105243159 has 2 divisors, whose sum is σ = 1105243160. Its totient is φ = 1105243158.

The previous prime is 1105243133. The next prime is 1105243171. The reversal of 1105243159 is 9513425011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105243159 - 2¹³ = 1105234967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1105243159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105243459) 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, 552621579 + 552621580.

It is an arithmetic number, because the mean of its divisors is an integer number (552621580).

Almost surely, 2^1105243159 is an apocalyptic number.

1105243159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105243159 is an equidigital number, since it uses as much as digits as its factorization.

1105243159 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 31.

The square root of 1105243159 is about 33245.1975328768. The cubic root of 1105243159 is about 1033.9176403192.

The spelling of 1105243159 in words is "one billion, one hundred five million, two hundred forty-three thousand, one hundred fifty-nine".