1055857585806 has 24 divisors (see below), whose sum is σ = 2287712840400. Its totient is φ = 351949235616.

The previous prime is 1055857585789. The next prime is 1055857585807. The reversal of 1055857585806 is 6085857585501.

1055857585806 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 8 + 575 + 8 + 58 + 0 + 6 = 666.

1055857585806 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055857585806² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055857585807) 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, 2415466 + ... + 2818898.

It is an arithmetic number, because the mean of its divisors is an integer number (95321368350).

Almost surely, 2^{1055857585806} is an apocalyptic number.

1055857585806 is an abundant number, since it is smaller than the sum of its proper divisors (1231855254594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055857585806 is a wasteful number, since it uses less digits than its factorization.

1055857585806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548840 (or 548837 counting only the distinct ones).

The product of its (nonzero) digits is 67200000, while the sum is 63.

The spelling of 1055857585806 in words is "one trillion, fifty-five billion, eight hundred fifty-seven million, five hundred eighty-five thousand, eight hundred six".