10561655126 has 24 divisors (see below), whose sum is σ = 17658929232. Its totient is φ = 4733128400.

The previous prime is 10561655119. The next prime is 10561655179. The reversal of 10561655126 is 62155616501.

It is a happy number.

It is a super-2 number, since 2×10561655126² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10561655126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290165 + ... + 324528.

It is an arithmetic number, because the mean of its divisors is an integer number (735788718).

Almost surely, 2^10561655126 is an apocalyptic number.

10561655126 is a deficient number, since it is larger than the sum of its proper divisors (7097274106).

10561655126 is a wasteful number, since it uses less digits than its factorization.

10561655126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614788 (or 614777 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 10561655126 in words is "ten billion, five hundred sixty-one million, six hundred fifty-five thousand, one hundred twenty-six".