1055556055600 has 60 divisors (see below), whose sum is σ = 2564467593480. Its totient is φ = 417478336000.

The previous prime is 1055556055573. The next prime is 1055556055643. The reversal of 1055556055600 is 65506555501.

It is a super-2 number, since 2×1055556055600² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14789626 + ... + 14860825.

It is an arithmetic number, because the mean of its divisors is an integer number (42741126558).

Almost surely, 2^{1055556055600} is an apocalyptic number.

1055556055600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055556055600 is an abundant number, since it is smaller than the sum of its proper divisors (1508911537880).

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

1055556055600 is a wasteful number, since it uses less digits than its factorization.

1055556055600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29650558 (or 29650547 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 1055556055600 in words is "one trillion, fifty-five billion, five hundred fifty-six million, fifty-five thousand, six hundred".