515161478873 has 8 divisors (see below), whose sum is σ = 518629757760. Its totient is φ = 511693945200.

The previous prime is 515161478813. The next prime is 515161478917. The reversal of 515161478873 is 378874161515.

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 515161478873 - 2⁶ = 515161478809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515161478813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237418 + ... + 1600476.

It is an arithmetic number, because the mean of its divisors is an integer number (64828719720).

Almost surely, 2^515161478873 is an apocalyptic number.

It is an amenable number.

515161478873 is a deficient number, since it is larger than the sum of its proper divisors (3468278887).

515161478873 is a wasteful number, since it uses less digits than its factorization.

515161478873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372607.

The product of its digits is 5644800, while the sum is 56.

The spelling of 515161478873 in words is "five hundred fifteen billion, one hundred sixty-one million, four hundred seventy-eight thousand, eight hundred seventy-three".