101055561056 has 48 divisors (see below), whose sum is σ = 212701585824. Its totient is φ = 47093827584.

The previous prime is 101055561007. The next prime is 101055561059. The reversal of 101055561056 is 650165550101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101055561059) 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, 845735 + ... + 957798.

It is an arithmetic number, because the mean of its divisors is an integer number (4431283038).

Almost surely, 2^101055561056 is an apocalyptic number.

101055561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101055561056 is an abundant number, since it is smaller than the sum of its proper divisors (111646024768).

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

101055561056 is a wasteful number, since it uses less digits than its factorization.

101055561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803663 (or 1803655 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 101055561056 in words is "one hundred one billion, fifty-five million, five hundred sixty-one thousand, fifty-six".