10561111061000 has 64 divisors (see below), whose sum is σ = 24715402508160. Its totient is φ = 4224033720000.

The previous prime is 10561111060999. The next prime is 10561111061021. The reversal of 10561111061000 is 16011116501.

It is a happy number.

It is a super-2 number, since 2×10561111061000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9882815 + ... + 10899185.

It is an arithmetic number, because the mean of its divisors is an integer number (386178164190).

Almost surely, 2^{10561111061000} is an apocalyptic number.

10561111061000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10561111061000 is an abundant number, since it is smaller than the sum of its proper divisors (14154291447160).

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

10561111061000 is a wasteful number, since it uses less digits than its factorization.

10561111061000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026783 (or 1026769 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 10561111061000 its reverse (16011116501), we get a palindrome (10577122177501).

The spelling of 10561111061000 in words is "ten trillion, five hundred sixty-one billion, one hundred eleven million, sixty-one thousand".