1055055550560 has 576 divisors, whose sum is σ = 3789676642752. Its totient is φ = 246343680000.

The previous prime is 1055055550559. The next prime is 1055055550567. The reversal of 1055055550560 is 650555505501.

It is a super-2 number, since 2×1055055550560² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055055550567) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 217042530 + ... + 217047390.

It is an arithmetic number, because the mean of its divisors is an integer number (6579299727).

Almost surely, 2^{1055055550560} is an apocalyptic number.

1055055550560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055055550560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1894838321376).

1055055550560 is an abundant number, since it is smaller than the sum of its proper divisors (2734621092192).

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

1055055550560 is a wasteful number, since it uses less digits than its factorization.

1055055550560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 1055055550560 in words is "one trillion, fifty-five billion, fifty-five million, five hundred fifty thousand, five hundred sixty".