1117063513 has 4 divisors (see below), whose sum is σ = 1117155748. Its totient is φ = 1116971280.

The previous prime is 1117063487. The next prime is 1117063547. The reversal of 1117063513 is 3153607111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3153607111 = 1117 ⋅2823283.

It can be written as a sum of positive squares in 2 ways, for example, as 399520144 + 717543369 = 19988^2 + 26787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117063513 - 2⁹ = 1117063001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117063553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24606 + ... + 53287.

It is an arithmetic number, because the mean of its divisors is an integer number (279288937).

Almost surely, 2^1117063513 is an apocalyptic number.

It is an amenable number.

1117063513 is a deficient number, since it is larger than the sum of its proper divisors (92235).

1117063513 is an equidigital number, since it uses as much as digits as its factorization.

1117063513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92234.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1117063513 is about 33422.5001009799. The cubic root of 1117063513 is about 1037.5904253309.

The spelling of 1117063513 in words is "one billion, one hundred seventeen million, sixty-three thousand, five hundred thirteen".