1055800620028 has 96 divisors (see below), whose sum is σ = 2416563072000. Its totient is φ = 391572249600.

The previous prime is 1055800620011. The next prime is 1055800620029. The reversal of 1055800620028 is 8200260085501.

It is a super-2 number, since 2×1055800620028² (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 (1055800620029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198253 + ... + 1466596.

It is an arithmetic number, because the mean of its divisors is an integer number (25172532000).

Almost surely, 2^{1055800620028} is an apocalyptic number.

It is an amenable number.

1055800620028 is an abundant number, since it is smaller than the sum of its proper divisors (1360762451972).

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

1055800620028 is a wasteful number, since it uses less digits than its factorization.

1055800620028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664971 (or 1664969 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 1055800620028 in words is "one trillion, fifty-five billion, eight hundred million, six hundred twenty thousand, twenty-eight".