10556566550112 has 48 divisors (see below), whose sum is σ = 30230167851072. Its totient is φ = 3198959560320.

The previous prime is 10556566549993. The next prime is 10556566550113. The reversal of 10556566550112 is 21105566565501.

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

It is a super-2 number, since 2×10556566550112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556566550113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998373258 + ... + 4998375369.

It is an arithmetic number, because the mean of its divisors is an integer number (629795163564).

Almost surely, 2^{10556566550112} is an apocalyptic number.

10556566550112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10556566550112 is an abundant number, since it is smaller than the sum of its proper divisors (19673601300960).

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

10556566550112 is a wasteful number, since it uses less digits than its factorization.

10556566550112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996748651 (or 9996748643 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 48.

The spelling of 10556566550112 in words is "ten trillion, five hundred fifty-six billion, five hundred sixty-six million, five hundred fifty thousand, one hundred twelve".