10655110565661 has 4 divisors (see below), whose sum is σ = 14206814087552. Its totient is φ = 7103407043772.

The previous prime is 10655110565653. The next prime is 10655110565663. The reversal of 10655110565661 is 16656501155601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10655110565661 - 2³ = 10655110565653 is a prime.

It is a super-2 number, since 2×10655110565661² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10655110565661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10655110565663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775851760941 + ... + 1775851760946.

It is an arithmetic number, because the mean of its divisors is an integer number (3551703521888).

Almost surely, 2^{10655110565661} is an apocalyptic number.

It is an amenable number.

10655110565661 is a deficient number, since it is larger than the sum of its proper divisors (3551703521891).

10655110565661 is an equidigital number, since it uses as much as digits as its factorization.

10655110565661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551703521890.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 10655110565661 in words is "ten trillion, six hundred fifty-five billion, one hundred ten million, five hundred sixty-five thousand, six hundred sixty-one".