1010865513 has 16 divisors (see below), whose sum is σ = 1541375360. Its totient is φ = 577259136.

The previous prime is 1010865503. The next prime is 1010865521. The reversal of 1010865513 is 3155680101.

It is not a de Polignac number, because 1010865513 - 2⁴ = 1010865497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010865503) 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 in 15 ways as a sum of consecutive naturals, for example, 18831 + ... + 48747.

It is an arithmetic number, because the mean of its divisors is an integer number (96335960).

Almost surely, 2^1010865513 is an apocalyptic number.

It is an amenable number.

1010865513 is a deficient number, since it is larger than the sum of its proper divisors (530509847).

1010865513 is a wasteful number, since it uses less digits than its factorization.

1010865513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31536.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1010865513 is about 31794.1112943891. Note that the first 3 decimals coincide. The cubic root of 1010865513 is about 1003.6087985732.

The spelling of 1010865513 in words is "one billion, ten million, eight hundred sixty-five thousand, five hundred thirteen".