5155117166505 has 32 divisors (see below), whose sum is σ = 8734245811200. Its totient is φ = 2587408627712.

The previous prime is 5155117166473. The next prime is 5155117166531. The reversal of 5155117166505 is 5056617115515.

It is a cyclic number.

It is not a de Polignac number, because 5155117166505 - 2⁵ = 5155117166473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1567261 + ... + 3573029.

It is an arithmetic number, because the mean of its divisors is an integer number (272945181600).

Almost surely, 2^{5155117166505} is an apocalyptic number.

It is an amenable number.

5155117166505 is a deficient number, since it is larger than the sum of its proper divisors (3579128644695).

5155117166505 is a wasteful number, since it uses less digits than its factorization.

5155117166505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015873.

The product of its (nonzero) digits is 787500, while the sum is 48.

The spelling of 5155117166505 in words is "five trillion, one hundred fifty-five billion, one hundred seventeen million, one hundred sixty-six thousand, five hundred five".