10561055501061 has 24 divisors (see below), whose sum is σ = 16942127175360. Its totient is φ = 6499111074768.

The previous prime is 10561055501047. The next prime is 10561055501083. The reversal of 10561055501061 is 16010555016501.

It is a happy number.

It is not a de Polignac number, because 10561055501061 - 2⁶ = 10561055500997 is a prime.

It is a super-2 number, since 2×10561055501061² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561055501021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157244561 + ... + 1157253686.

It is an arithmetic number, because the mean of its divisors is an integer number (705921965640).

Almost surely, 2^{10561055501061} is an apocalyptic number.

It is an amenable number.

10561055501061 is a deficient number, since it is larger than the sum of its proper divisors (6381071674299).

10561055501061 is a wasteful number, since it uses less digits than its factorization.

10561055501061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314498282 (or 2314498263 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 10561055501061 in words is "ten trillion, five hundred sixty-one billion, fifty-five million, five hundred one thousand, sixty-one".