10561087169 has 4 divisors (see below), whose sum is σ = 11020264896. Its totient is φ = 10101909444.

The previous prime is 10561087153. The next prime is 10561087177. The reversal of 10561087169 is 96178016501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96178016501 = 7 ⋅13739716643.

It is a cyclic number.

It is not a de Polignac number, because 10561087169 - 2⁴ = 10561087153 is a prime.

It is a super-2 number, since 2×10561087169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10561087469) 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, 229588829 + ... + 229588874.

It is an arithmetic number, because the mean of its divisors is an integer number (2755066224).

Almost surely, 2^10561087169 is an apocalyptic number.

It is an amenable number.

10561087169 is a deficient number, since it is larger than the sum of its proper divisors (459177727).

10561087169 is an equidigital number, since it uses as much as digits as its factorization.

10561087169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459177726.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 10561087169 in words is "ten billion, five hundred sixty-one million, eighty-seven thousand, one hundred sixty-nine".