1001055606056 has 64 divisors (see below), whose sum is σ = 2093182560000. Its totient is φ = 444917416960.

The previous prime is 1001055606053. The next prime is 1001055606139. The reversal of 1001055606056 is 6506065501001.

It is a super-2 number, since 2×1001055606056² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001055606053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4223300 + ... + 4454028.

It is an arithmetic number, because the mean of its divisors is an integer number (32705977500).

Almost surely, 2^{1001055606056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001055606056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046591280000).

1001055606056 is an abundant number, since it is smaller than the sum of its proper divisors (1092126953944).

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

1001055606056 is a wasteful number, since it uses less digits than its factorization.

1001055606056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231842 (or 231838 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 1001055606056 in words is "one trillion, one billion, fifty-five million, six hundred six thousand, fifty-six".