1118265829 has 2 divisors, whose sum is σ = 1118265830. Its totient is φ = 1118265828.

The previous prime is 1118265817. The next prime is 1118265923. The reversal of 1118265829 is 9285628111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595457604 + 522808225 = 24402^2 + 22865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118265829 - 2¹¹ = 1118263781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118265229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559132914 + 559132915.

It is an arithmetic number, because the mean of its divisors is an integer number (559132915).

Almost surely, 2^1118265829 is an apocalyptic number.

It is an amenable number.

1118265829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118265829 is an equidigital number, since it uses as much as digits as its factorization.

1118265829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 43.

The square root of 1118265829 is about 33440.4818894704. The cubic root of 1118265829 is about 1037.9625510724.

The spelling of 1118265829 in words is "one billion, one hundred eighteen million, two hundred sixty-five thousand, eight hundred twenty-nine".