103505521433 has 4 divisors (see below), whose sum is σ = 106030046388. Its totient is φ = 100980996480.

The previous prime is 103505521417. The next prime is 103505521453. The reversal of 103505521433 is 334125505301.

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 38004332809 + 65501188624 = 194947^2 + 255932^2 .

It is a cyclic number.

It is not a de Polignac number, because 103505521433 - 2⁴ = 103505521417 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 103505521433.

It is not an unprimeable number, because it can be changed into a prime (103505521453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262262416 + ... + 1262262497.

It is an arithmetic number, because the mean of its divisors is an integer number (26507511597).

Almost surely, 2^103505521433 is an apocalyptic number.

It is an amenable number.

103505521433 is a deficient number, since it is larger than the sum of its proper divisors (2524524955).

103505521433 is an equidigital number, since it uses as much as digits as its factorization.

103505521433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524524954.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 103505521433 in words is "one hundred three billion, five hundred five million, five hundred twenty-one thousand, four hundred thirty-three".