1101013505 has 8 divisors (see below), whose sum is σ = 1323243432. Its totient is φ = 879459328.

The previous prime is 1101013499. The next prime is 1101013523. The reversal of 1101013505 is 5053101011.

It can be written as a sum of positive squares in 4 ways, for example, as 145709041 + 955304464 = 12071^2 + 30908^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1101013505 - 2¹⁸ = 1100751361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165344 + ... + 171873.

It is an arithmetic number, because the mean of its divisors is an integer number (165405429).

Almost surely, 2^1101013505 is an apocalyptic number.

It is an amenable number.

1101013505 is a deficient number, since it is larger than the sum of its proper divisors (222229927).

1101013505 is an equidigital number, since it uses as much as digits as its factorization.

1101013505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337875.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 1101013505 is about 33181.5235485051. The cubic root of 1101013505 is about 1032.5970548214.

Adding to 1101013505 its reverse (5053101011), we get a palindrome (6154114516).

The spelling of 1101013505 in words is "one billion, one hundred one million, thirteen thousand, five hundred five".