1117509143 has 2 divisors, whose sum is σ = 1117509144. Its totient is φ = 1117509142.

The previous prime is 1117509131. The next prime is 1117509157. The reversal of 1117509143 is 3419057111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1117509143 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117509163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558754571 + 558754572.

It is an arithmetic number, because the mean of its divisors is an integer number (558754572).

Almost surely, 2^1117509143 is an apocalyptic number.

1117509143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117509143 is an equidigital number, since it uses as much as digits as its factorization.

1117509143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 1117509143 is about 33429.1660530142. The cubic root of 1117509143 is about 1037.7283822581.

The spelling of 1117509143 in words is "one billion, one hundred seventeen million, five hundred nine thousand, one hundred forty-three".