10312300255561 has 4 divisors (see below), whose sum is σ = 10403559549972. Its totient is φ = 10221040961152.

The previous prime is 10312300255519. The next prime is 10312300255633. The reversal of 10312300255561 is 16555200321301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3998860081225 + 6313440174336 = 1999715^2 + 2512656^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312300255561 - 2²³ = 10312291866953 is a prime.

It is a super-2 number, since 2×10312300255561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10312300256561) 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, 45629647036 + ... + 45629647261.

It is an arithmetic number, because the mean of its divisors is an integer number (2600889887493).

Almost surely, 2^{10312300255561} is an apocalyptic number.

It is an amenable number.

10312300255561 is a deficient number, since it is larger than the sum of its proper divisors (91259294411).

10312300255561 is an equidigital number, since it uses as much as digits as its factorization.

10312300255561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91259294410.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 10312300255561 its reverse (16555200321301), we get a palindrome (26867500576862).

The spelling of 10312300255561 in words is "ten trillion, three hundred twelve billion, three hundred million, two hundred fifty-five thousand, five hundred sixty-one".