1011869059 has 2 divisors, whose sum is σ = 1011869060. Its totient is φ = 1011869058.

The previous prime is 1011869029. The next prime is 1011869113. The reversal of 1011869059 is 9509681101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011869059 - 2⁷ = 1011868931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011869029) 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, 505934529 + 505934530.

It is an arithmetic number, because the mean of its divisors is an integer number (505934530).

Almost surely, 2^1011869059 is an apocalyptic number.

1011869059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011869059 is an equidigital number, since it uses as much as digits as its factorization.

1011869059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 1011869059 is about 31809.8893270631. The cubic root of 1011869059 is about 1003.9408026742.

The spelling of 1011869059 in words is "one billion, eleven million, eight hundred sixty-nine thousand, fifty-nine".