5817815475109 has 48 divisors (see below), whose sum is σ = 6722710525440. Its totient is φ = 5024250000000.

The previous prime is 5817815475023. The next prime is 5817815475119. The reversal of 5817815475109 is 9015745187185.

It is not a de Polignac number, because 5817815475109 - 2¹¹ = 5817815473061 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 (5817815475119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155118859 + ... + 155156359.

It is an arithmetic number, because the mean of its divisors is an integer number (140056469280).

Almost surely, 2^{5817815475109} is an apocalyptic number.

5817815475109 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5817815475109 is a deficient number, since it is larger than the sum of its proper divisors (904895050331).

5817815475109 is a wasteful number, since it uses less digits than its factorization.

5817815475109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38314 (or 38303 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 61.

The spelling of 5817815475109 in words is "five trillion, eight hundred seventeen billion, eight hundred fifteen million, four hundred seventy-five thousand, one hundred nine".