15338561850825 has 24 divisors (see below), whose sum is σ = 25592413915200. Its totient is φ = 8105515248960.

The previous prime is 15338561850761. The next prime is 15338561850841. The reversal of 15338561850825 is 52805816583351.

It is not a de Polignac number, because 15338561850825 - 2⁶ = 15338561850761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 938130165 + ... + 938146514.

It is an arithmetic number, because the mean of its divisors is an integer number (1066350579800).

Almost surely, 2^{15338561850825} is an apocalyptic number.

15338561850825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15338561850825 is a deficient number, since it is larger than the sum of its proper divisors (10253852064375).

15338561850825 is a wasteful number, since it uses less digits than its factorization.

15338561850825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876276801 (or 1876276796 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 60.

The spelling of 15338561850825 in words is "fifteen trillion, three hundred thirty-eight billion, five hundred sixty-one million, eight hundred fifty thousand, eight hundred twenty-five".