500000001115 has 4 divisors (see below), whose sum is σ = 600000001344. Its totient is φ = 400000000888.

The previous prime is 500000001101. The next prime is 500000001143. The reversal of 500000001115 is 511100000005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 500000001115 - 2¹³ = 499999992923 is a prime.

It is a super-2 number, since 2×500000001115² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500000001095 and 500000001104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50000000107 + ... + 50000000116.

It is an arithmetic number, because the mean of its divisors is an integer number (150000000336).

Almost surely, 2^500000001115 is an apocalyptic number.

500000001115 is a deficient number, since it is larger than the sum of its proper divisors (100000000229).

500000001115 is a wasteful number, since it uses less digits than its factorization.

500000001115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100000000228.

The product of its (nonzero) digits is 25, while the sum is 13.

The spelling of 500000001115 in words is "five hundred billion, one thousand, one hundred fifteen".