1011650065 has 16 divisors (see below), whose sum is σ = 1270987200. Its totient is φ = 771988672.

The previous prime is 1011650053. The next prime is 1011650071. The reversal of 1011650065 is 5600561101.

It is a cyclic number.

It is not a de Polignac number, because 1011650065 - 2⁵ = 1011650033 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 29995 + ... + 54064.

It is an arithmetic number, because the mean of its divisors is an integer number (79436700).

Almost surely, 2^1011650065 is an apocalyptic number.

It is an amenable number.

1011650065 is a deficient number, since it is larger than the sum of its proper divisors (259337135).

1011650065 is an equidigital number, since it uses as much as digits as its factorization.

1011650065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84176.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1011650065 is about 31806.4469093924. The cubic root of 1011650065 is about 1003.8683714068.

The spelling of 1011650065 in words is "one billion, eleven million, six hundred fifty thousand, sixty-five".