1055800620027 has 24 divisors (see below), whose sum is σ = 1575358212480. Its totient is φ = 680678000640.

The previous prime is 1055800620011. The next prime is 1055800620029. The reversal of 1055800620027 is 7200260085501.

It is a happy number.

1055800620027 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 8 + 0 + 0 + 620 + 0 + 27 = 666.

It is not a de Polignac number, because 1055800620027 - 2⁴ = 1055800620011 is a prime.

It is a super-2 number, since 2×1055800620027² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055800619973 and 1055800620000.

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 23 ways as a sum of consecutive naturals, for example, 949768 + ... + 1735989.

It is an arithmetic number, because the mean of its divisors is an integer number (65639925520).

Almost surely, 2^{1055800620027} is an apocalyptic number.

1055800620027 is a deficient number, since it is larger than the sum of its proper divisors (519557592453).

1055800620027 is a wasteful number, since it uses less digits than its factorization.

1055800620027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687203 (or 2687200 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 1055800620027 in words is "one trillion, fifty-five billion, eight hundred million, six hundred twenty thousand, twenty-seven".