5102178729985 has 8 divisors (see below), whose sum is σ = 6252882869376. Its totient is φ = 3994897388400.

The previous prime is 5102178729961. The next prime is 5102178730003. The reversal of 5102178729985 is 5899278712015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5102178729985 - 2¹⁹ = 5102178205697 is a prime.

It is a super-2 number, since 2×5102178729985² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10855699191 + ... + 10855699660.

It is an arithmetic number, because the mean of its divisors is an integer number (781610358672).

Almost surely, 2^{5102178729985} is an apocalyptic number.

It is an amenable number.

5102178729985 is a deficient number, since it is larger than the sum of its proper divisors (1150704139391).

5102178729985 is a wasteful number, since it uses less digits than its factorization.

5102178729985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21711398903.

The product of its (nonzero) digits is 25401600, while the sum is 64.

The spelling of 5102178729985 in words is "five trillion, one hundred two billion, one hundred seventy-eight million, seven hundred twenty-nine thousand, nine hundred eighty-five".