10561100117 has 4 divisors (see below), whose sum is σ = 10562481696. Its totient is φ = 10559718540.

The previous prime is 10561100113. The next prime is 10561100153. The reversal of 10561100117 is 71100116501.

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 a cyclic number.

It is not a de Polignac number, because 10561100117 - 2² = 10561100113 is a prime.

It is a super-2 number, since 2×10561100117² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10561100092 and 10561100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561100113) 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, 679259 + ... + 694632.

It is an arithmetic number, because the mean of its divisors is an integer number (2640620424).

Almost surely, 2^10561100117 is an apocalyptic number.

It is an amenable number.

10561100117 is a deficient number, since it is larger than the sum of its proper divisors (1381579).

10561100117 is an equidigital number, since it uses as much as digits as its factorization.

10561100117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381578.

The product of its (nonzero) digits is 210, while the sum is 23.

Adding to 10561100117 its reverse (71100116501), we get a palindrome (81661216618).

The spelling of 10561100117 in words is "ten billion, five hundred sixty-one million, one hundred thousand, one hundred seventeen".