1011235505 has 16 divisors (see below), whose sum is σ = 1397430144. Its totient is φ = 688122240.

The previous prime is 1011235487. The next prime is 1011235513. The reversal of 1011235505 is 5055321101.

It is a happy number.

1011235505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011235505 - 2¹⁰ = 1011234481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105692 + ... + 114861.

It is an arithmetic number, because the mean of its divisors is an integer number (87339384).

Almost surely, 2^1011235505 is an apocalyptic number.

It is an amenable number.

1011235505 is a deficient number, since it is larger than the sum of its proper divisors (386194639).

1011235505 is a wasteful number, since it uses less digits than its factorization.

1011235505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220696.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1011235505 is about 31799.9293238208. The cubic root of 1011235505 is about 1003.7312289484.

Adding to 1011235505 its reverse (5055321101), we get a palindrome (6066556606).

The spelling of 1011235505 in words is "one billion, eleven million, two hundred thirty-five thousand, five hundred five".