1105511959 has 2 divisors, whose sum is σ = 1105511960. Its totient is φ = 1105511958.

The previous prime is 1105511933. The next prime is 1105512041. The reversal of 1105511959 is 9591155011.

It is a weak prime.

It is an emirp because it is prime and its reverse (9591155011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1105511959 - 2⁷ = 1105511831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105511359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552755979 + 552755980.

It is an arithmetic number, because the mean of its divisors is an integer number (552755980).

Almost surely, 2^1105511959 is an apocalyptic number.

1105511959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105511959 is an equidigital number, since it uses as much as digits as its factorization.

1105511959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10125, while the sum is 37.

The square root of 1105511959 is about 33249.2399762761. The cubic root of 1105511959 is about 1034.0014512985.

The spelling of 1105511959 in words is "one billion, one hundred five million, five hundred eleven thousand, nine hundred fifty-nine".