10000561055982 has 128 divisors (see below), whose sum is σ = 23974012551168. Its totient is φ = 2719132416000.

The previous prime is 10000561055893. The next prime is 10000561055993. The reversal of 10000561055982 is 28955016500001.

It is a happy number.

It is a super-2 number, since 2×10000561055982² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 694427982 + ... + 694442382.

It is an arithmetic number, because the mean of its divisors is an integer number (187296973056).

Almost surely, 2^{10000561055982} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10000561055982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11987006275584).

10000561055982 is an abundant number, since it is smaller than the sum of its proper divisors (13973451495186).

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

10000561055982 is a wasteful number, since it uses less digits than its factorization.

10000561055982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18054.

The product of its (nonzero) digits is 108000, while the sum is 42.

Adding to 10000561055982 its reverse (28955016500001), we get a palindrome (38955577555983).

The spelling of 10000561055982 in words is "ten trillion, five hundred sixty-one million, fifty-five thousand, nine hundred eighty-two".