10561560407 has 4 divisors (see below), whose sum is σ = 10902255936. Its totient is φ = 10220864880.

The previous prime is 10561560377. The next prime is 10561560413. The reversal of 10561560407 is 70406516501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10561560407 is a prime.

It is a super-2 number, since 2×10561560407² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561560487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170347718 + ... + 170347779.

It is an arithmetic number, because the mean of its divisors is an integer number (2725563984).

Almost surely, 2^10561560407 is an apocalyptic number.

10561560407 is a deficient number, since it is larger than the sum of its proper divisors (340695529).

10561560407 is an equidigital number, since it uses as much as digits as its factorization.

10561560407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340695528.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 10561560407 in words is "ten billion, five hundred sixty-one million, five hundred sixty thousand, four hundred seven".