10635116561 has 8 divisors (see below), whose sum is σ = 10854162720. Its totient is φ = 10417844448.

The previous prime is 10635116551. The next prime is 10635116629. The reversal of 10635116561 is 16561153601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10635116561 - 2³⁰ = 9561374737 is a prime.

It is a super-2 number, since 2×10635116561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10635116551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431396 + ... + 455381.

It is an arithmetic number, because the mean of its divisors is an integer number (1356770340).

Almost surely, 2^10635116561 is an apocalyptic number.

It is an amenable number.

10635116561 is a deficient number, since it is larger than the sum of its proper divisors (219046159).

10635116561 is an equidigital number, since it uses as much as digits as its factorization.

10635116561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887023.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 10635116561 in words is "ten billion, six hundred thirty-five million, one hundred sixteen thousand, five hundred sixty-one".