861600001101101 has 4 divisors (see below), whose sum is σ = 861609237604032. Its totient is φ = 861590764598172.

The previous prime is 861600001101071. The next prime is 861600001101131. The reversal of 861600001101101 is 101101100006168.

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 an interprime number because it is at equal distance from previous prime (861600001101071) and next prime (861600001101131).

It is a cyclic number.

It is not a de Polignac number, because 861600001101101 - 2¹⁰ = 861600001100077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861600001101131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4618111541 + ... + 4618298106.

It is an arithmetic number, because the mean of its divisors is an integer number (215402309401008).

Almost surely, 2^{861600001101101} is an apocalyptic number.

It is an amenable number.

861600001101101 is a deficient number, since it is larger than the sum of its proper divisors (9236502931).

861600001101101 is an equidigital number, since it uses as much as digits as its factorization.

861600001101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236502930.

The product of its (nonzero) digits is 288, while the sum is 26.

Adding to 861600001101101 its reverse (101101100006168), we get a palindrome (962701101107269).

The spelling of 861600001101101 in words is "eight hundred sixty-one trillion, six hundred billion, one million, one hundred one thousand, one hundred one".