1011010505 has 8 divisors (see below), whose sum is σ = 1225225224. Its totient is φ = 800800000.

The previous prime is 1011010439. The next prime is 1011010531. The reversal of 1011010505 is 5050101101.

1011010505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49266361 + 961744144 = 7019^2 + 31012^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011010505 - 2⁸ = 1011010249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011010505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000496 + ... + 1001505.

It is an arithmetic number, because the mean of its divisors is an integer number (153153153).

Almost surely, 2^1011010505 is an apocalyptic number.

It is an amenable number.

1011010505 is a deficient number, since it is larger than the sum of its proper divisors (214214719).

1011010505 is a wasteful number, since it uses less digits than its factorization.

1011010505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002107.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1011010505 is about 31796.3913833001. The cubic root of 1011010505 is about 1003.6567799939.

Adding to 1011010505 its reverse (5050101101), we get a palindrome (6061111606).

The spelling of 1011010505 in words is "one billion, eleven million, ten thousand, five hundred five".