1115500505 has 8 divisors (see below), whose sum is σ = 1529829312. Its totient is φ = 764914608.

The previous prime is 1115500481. The next prime is 1115500511. The reversal of 1115500505 is 5050055111.

It is a happy number.

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 1115500505 - 2¹² = 1115496409 is a prime.

It is a Duffinian number.

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, 15935687 + ... + 15935756.

It is an arithmetic number, because the mean of its divisors is an integer number (191228664).

Almost surely, 2^1115500505 is an apocalyptic number.

It is an amenable number.

1115500505 is a deficient number, since it is larger than the sum of its proper divisors (414328807).

1115500505 is an equidigital number, since it uses as much as digits as its factorization.

1115500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31871455.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 1115500505 is about 33399.1093444122. The cubic root of 1115500505 is about 1037.1062633291.

Adding to 1115500505 its reverse (5050055111), we get a palindrome (6165555616).

The spelling of 1115500505 in words is "one billion, one hundred fifteen million, five hundred thousand, five hundred five".