855010001601 has 12 divisors (see below), whose sum is σ = 1411445082112. Its totient is φ = 488577143736.

The previous prime is 855010001591. The next prime is 855010001641. The reversal of 855010001601 is 106100010558.

855010001601 is a `hidden beast` number, since 8 + 5 + 50 + 1 + 0 + 0 + 0 + 1 + 601 = 666.

It is not a de Polignac number, because 855010001601 - 2⁹ = 855010001089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855010001641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6785793601 + ... + 6785793726.

Almost surely, 2^855010001601 is an apocalyptic number.

It is an amenable number.

855010001601 is a deficient number, since it is larger than the sum of its proper divisors (556435080511).

855010001601 is a wasteful number, since it uses less digits than its factorization.

855010001601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571587340 (or 13571587337 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The spelling of 855010001601 in words is "eight hundred fifty-five billion, ten million, one thousand, six hundred one".