4612128172805 has 16 divisors (see below), whose sum is σ = 5766481165824. Its totient is φ = 3537309023040.

The previous prime is 4612128172793. The next prime is 4612128172907. The reversal of 4612128172805 is 5082718212164.

It is not a de Polignac number, because 4612128172805 - 2⁴ = 4612128172789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4612128172805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139028582 + ... + 139061751.

It is an arithmetic number, because the mean of its divisors is an integer number (360405072864).

Almost surely, 2^{4612128172805} is an apocalyptic number.

It is an amenable number.

4612128172805 is a deficient number, since it is larger than the sum of its proper divisors (1154352993019).

4612128172805 is a wasteful number, since it uses less digits than its factorization.

4612128172805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278090476.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 4612128172805 in words is "four trillion, six hundred twelve billion, one hundred twenty-eight million, one hundred seventy-two thousand, eight hundred five".