10561105555105 has 16 divisors (see below), whose sum is σ = 15246107268480. Its totient is φ = 6860748269952.

The previous prime is 10561105555073. The next prime is 10561105555151. The reversal of 10561105555105 is 50155550116501.

It is a happy number.

It is not a de Polignac number, because 10561105555105 - 2⁵ = 10561105555073 is a prime.

It is a super-2 number, since 2×10561105555105² (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, 7940680204 + ... + 7940681533.

It is an arithmetic number, because the mean of its divisors is an integer number (952881704280).

Almost surely, 2^{10561105555105} is an apocalyptic number.

It is an amenable number.

10561105555105 is a deficient number, since it is larger than the sum of its proper divisors (4685001713375).

10561105555105 is a wasteful number, since it uses less digits than its factorization.

10561105555105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881361768.

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 10561105555105 in words is "ten trillion, five hundred sixty-one billion, one hundred five million, five hundred fifty-five thousand, one hundred five".