855830258061 has 16 divisors (see below), whose sum is σ = 1180643688000. Its totient is φ = 550791438848.

The previous prime is 855830258057. The next prime is 855830258077. The reversal of 855830258061 is 160852038558.

855830258061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 855830258061 - 2² = 855830258057 is a prime.

It is a super-2 number, since 2×855830258061² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 855830257995 and 855830258013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855830258021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232836 + ... + 1328861.

It is an arithmetic number, because the mean of its divisors is an integer number (73790230500).

Almost surely, 2^855830258061 is an apocalyptic number.

It is an amenable number.

855830258061 is a deficient number, since it is larger than the sum of its proper divisors (324813429939).

855830258061 is a wasteful number, since it uses less digits than its factorization.

855830258061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568028.

The product of its (nonzero) digits is 2304000, while the sum is 51.

The spelling of 855830258061 in words is "eight hundred fifty-five billion, eight hundred thirty million, two hundred fifty-eight thousand, sixty-one".