10561610505 has 8 divisors (see below), whose sum is σ = 16898576832. Its totient is φ = 5632858928.

The previous prime is 10561610497. The next prime is 10561610513. The reversal of 10561610505 is 50501616501.

It is an interprime number because it is at equal distance from previous prime (10561610497) and next prime (10561610513).

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 10561610505 - 2³ = 10561610497 is a prime.

It is a super-2 number, since 2×10561610505² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352053669 + ... + 352053698.

It is an arithmetic number, because the mean of its divisors is an integer number (2112322104).

Almost surely, 2^10561610505 is an apocalyptic number.

10561610505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10561610505 is a deficient number, since it is larger than the sum of its proper divisors (6336966327).

10561610505 is an equidigital number, since it uses as much as digits as its factorization.

10561610505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704107375.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 10561610505 in words is "ten billion, five hundred sixty-one million, six hundred ten thousand, five hundred five".