105550500403 has 2 divisors, whose sum is σ = 105550500404. Its totient is φ = 105550500402.

The previous prime is 105550500379. The next prime is 105550500421. The reversal of 105550500403 is 304005055501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105550500403 is a prime.

It is a super-2 number, since 2×105550500403² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105550500493) 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 as a sum of consecutive naturals, namely, 52775250201 + 52775250202.

It is an arithmetic number, because the mean of its divisors is an integer number (52775250202).

Almost surely, 2^105550500403 is an apocalyptic number.

105550500403 is a deficient number, since it is larger than the sum of its proper divisors (1).

105550500403 is an equidigital number, since it uses as much as digits as its factorization.

105550500403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 28.

Adding to 105550500403 its reverse (304005055501), we get a palindrome (409555555904).

The spelling of 105550500403 in words is "one hundred five billion, five hundred fifty million, five hundred thousand, four hundred three".