1009113517 has 4 divisors (see below), whose sum is σ = 1009335136. Its totient is φ = 1008891900.

The previous prime is 1009113491. The next prime is 1009113527. The reversal of 1009113517 is 7153119001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1009113517 - 2¹¹ = 1009111469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009113527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103833 + ... + 113134.

It is an arithmetic number, because the mean of its divisors is an integer number (252333784).

Almost surely, 2^1009113517 is an apocalyptic number.

It is an amenable number.

1009113517 is a deficient number, since it is larger than the sum of its proper divisors (221619).

1009113517 is an equidigital number, since it uses as much as digits as its factorization.

1009113517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221618.

The product of its (nonzero) digits is 945, while the sum is 28.

The square root of 1009113517 is about 31766.5471368860. The cubic root of 1009113517 is about 1003.0286569765.

The spelling of 1009113517 in words is "one billion, nine million, one hundred thirteen thousand, five hundred seventeen".