17130724845 has 16 divisors (see below), whose sum is σ = 29517556992. Its totient is φ = 8433587520.

The previous prime is 17130724823. The next prime is 17130724861. The reversal of 17130724845 is 54842703171.

It is not a de Polignac number, because 17130724845 - 2⁵ = 17130724813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17130724797 and 17130724806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43924741 + ... + 43925130.

It is an arithmetic number, because the mean of its divisors is an integer number (1844847312).

Almost surely, 2^17130724845 is an apocalyptic number.

17130724845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17130724845 is a deficient number, since it is larger than the sum of its proper divisors (12386832147).

17130724845 is a wasteful number, since it uses less digits than its factorization.

17130724845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87849892.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 17130724845 in words is "seventeen billion, one hundred thirty million, seven hundred twenty-four thousand, eight hundred forty-five".