103261505603 has 2 divisors, whose sum is σ = 103261505604. Its totient is φ = 103261505602.

The previous prime is 103261505593. The next prime is 103261505687. The reversal of 103261505603 is 306505162301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103261505603 - 2³⁴ = 86081636419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103261505603.

It is not a weakly prime, because it can be changed into another prime (103261505003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51630752801 + 51630752802.

It is an arithmetic number, because the mean of its divisors is an integer number (51630752802).

Almost surely, 2^103261505603 is an apocalyptic number.

103261505603 is a deficient number, since it is larger than the sum of its proper divisors (1).

103261505603 is an equidigital number, since it uses as much as digits as its factorization.

103261505603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 103261505603 its reverse (306505162301), we get a palindrome (409766667904).

The spelling of 103261505603 in words is "one hundred three billion, two hundred sixty-one million, five hundred five thousand, six hundred three".