1011500089 has 2 divisors, whose sum is σ = 1011500090. Its totient is φ = 1011500088.

The previous prime is 1011500057. The next prime is 1011500101. The reversal of 1011500089 is 9800051101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892515625 + 118984464 = 29875^2 + 10908^2 .

It is an emirp because it is prime and its reverse (9800051101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011500089 - 2⁵ = 1011500057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011500689) 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, 505750044 + 505750045.

It is an arithmetic number, because the mean of its divisors is an integer number (505750045).

Almost surely, 2^1011500089 is an apocalyptic number.

It is an amenable number.

1011500089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011500089 is an equidigital number, since it uses as much as digits as its factorization.

1011500089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 1011500089 is about 31804.0891867697. The cubic root of 1011500089 is about 1003.8187614977.

The spelling of 1011500089 in words is "one billion, eleven million, five hundred thousand, eighty-nine".