103363126561 has 4 divisors (see below), whose sum is σ = 103366683972. Its totient is φ = 103359569152.

The previous prime is 103363126543. The next prime is 103363126597. The reversal of 103363126561 is 165621363301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 165621363301 = 3847 ⋅43052083.

It can be written as a sum of positive squares in 2 ways, for example, as 67642126561 + 35721000000 = 260081^2 + 189000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103363126561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103363126561.

It is not an unprimeable number, because it can be changed into a prime (103363124561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734760 + ... + 1793353.

It is an arithmetic number, because the mean of its divisors is an integer number (25841670993).

Almost surely, 2^103363126561 is an apocalyptic number.

It is an amenable number.

103363126561 is a deficient number, since it is larger than the sum of its proper divisors (3557411).

103363126561 is an equidigital number, since it uses as much as digits as its factorization.

103363126561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557410.

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 103363126561 its reverse (165621363301), we get a palindrome (268984489862).

The spelling of 103363126561 in words is "one hundred three billion, three hundred sixty-three million, one hundred twenty-six thousand, five hundred sixty-one".