103550624545 has 4 divisors (see below), whose sum is σ = 124260749460. Its totient is φ = 82840499632.

The previous prime is 103550624543. The next prime is 103550624563. The reversal of 103550624545 is 545426055301.

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 30616600576 + 72934023969 = 174976^2 + 270063^2 .

It is a cyclic number.

It is not a de Polignac number, because 103550624545 - 2¹ = 103550624543 is a prime.

It is a super-3 number, since 3×103550624545³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 103550624498 and 103550624507.

It is not an unprimeable number, because it can be changed into a prime (103550624543) 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, 10355062450 + ... + 10355062459.

It is an arithmetic number, because the mean of its divisors is an integer number (31065187365).

Almost surely, 2^103550624545 is an apocalyptic number.

It is an amenable number.

103550624545 is a deficient number, since it is larger than the sum of its proper divisors (20710124915).

103550624545 is an equidigital number, since it uses as much as digits as its factorization.

103550624545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20710124914.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 103550624545 its reverse (545426055301), we get a palindrome (648976679846).

The spelling of 103550624545 in words is "one hundred three billion, five hundred fifty million, six hundred twenty-four thousand, five hundred forty-five".