1055500561056 has 48 divisors (see below), whose sum is σ = 2772164001600. Its totient is φ = 351646215168.

The previous prime is 1055500561019. The next prime is 1055500561057. The reversal of 1055500561056 is 6501650055501.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1055500561056² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055500561057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745321 + ... + 3106088.

It is an arithmetic number, because the mean of its divisors is an integer number (57753416700).

Almost surely, 2^{1055500561056} is an apocalyptic number.

1055500561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1055500561056 is an abundant number, since it is smaller than the sum of its proper divisors (1716663440544).

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

1055500561056 is a wasteful number, since it uses less digits than its factorization.

1055500561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853301 (or 5853293 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 1055500561056 in words is "one trillion, fifty-five billion, five hundred million, five hundred sixty-one thousand, fifty-six".