47515173121 has 8 divisors (see below), whose sum is σ = 51183324864. Its totient is φ = 43848898320.

The previous prime is 47515173113. The next prime is 47515173133. The reversal of 47515173121 is 12137151574.

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

It is a cyclic number.

It is not a de Polignac number, because 47515173121 - 2³ = 47515173113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47515173421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416431 + ... + 518116.

It is an arithmetic number, because the mean of its divisors is an integer number (6397915608).

Almost surely, 2^47515173121 is an apocalyptic number.

It is an amenable number.

47515173121 is a deficient number, since it is larger than the sum of its proper divisors (3668151743).

47515173121 is a wasteful number, since it uses less digits than its factorization.

47515173121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938471.

The product of its digits is 29400, while the sum is 37.

The spelling of 47515173121 in words is "forty-seven billion, five hundred fifteen million, one hundred seventy-three thousand, one hundred twenty-one".