105550601003 has 4 divisors (see below), whose sum is σ = 106886684640. Its totient is φ = 104214517368.

The previous prime is 105550600979. The next prime is 105550601017. The reversal of 105550601003 is 300106055501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105550601003 - 2²² = 105546406699 is a prime.

It is a super-2 number, since 2×105550601003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105550601603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668041700 + ... + 668041857.

It is an arithmetic number, because the mean of its divisors is an integer number (26721671160).

Almost surely, 2^105550601003 is an apocalyptic number.

105550601003 is a deficient number, since it is larger than the sum of its proper divisors (1336083637).

105550601003 is an equidigital number, since it uses as much as digits as its factorization.

105550601003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336083636.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 105550601003 its reverse (300106055501), we get a palindrome (405656656504).

The spelling of 105550601003 in words is "one hundred five billion, five hundred fifty million, six hundred one thousand, three".