1117500001 has 8 divisors (see below), whose sum is σ = 1121244264. Its totient is φ = 1113763200.

The previous prime is 1117499969. The next prime is 1117500019. The reversal of 1117500001 is 1000057111.

It can be written as a sum of positive squares in 4 ways, for example, as 249608401 + 867891600 = 15799^2 + 29460^2 .

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 1117500001 - 2⁵ = 1117499969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117500031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477831 + ... + 480163.

It is an arithmetic number, because the mean of its divisors is an integer number (140155533).

Almost surely, 2^1117500001 is an apocalyptic number.

It is an amenable number.

1117500001 is a deficient number, since it is larger than the sum of its proper divisors (3744263).

1117500001 is an equidigital number, since it uses as much as digits as its factorization.

1117500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 1117500001 is about 33429.0293158506. The cubic root of 1117500001 is about 1037.7255524710.

Adding to 1117500001 its reverse (1000057111), we get a palindrome (2117557112).

The spelling of 1117500001 in words is "one billion, one hundred seventeen million, five hundred thousand, one".