15838008109 has 24 divisors (see below), whose sum is σ = 19927119744. Its totient is φ = 12321804000.

The previous prime is 15838008103. The next prime is 15838008113. The reversal of 15838008109 is 90180083851.

It is not a de Polignac number, because 15838008109 - 2¹⁷ = 15837877037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15838008103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533559 + ... + 562459.

It is an arithmetic number, because the mean of its divisors is an integer number (830296656).

Almost surely, 2^15838008109 is an apocalyptic number.

It is an amenable number.

15838008109 is a deficient number, since it is larger than the sum of its proper divisors (4089111635).

15838008109 is a wasteful number, since it uses less digits than its factorization.

15838008109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29577 (or 29566 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 15838008109 in words is "fifteen billion, eight hundred thirty-eight million, eight thousand, one hundred nine".