103605505512550 has 24 divisors (see below), whose sum is σ = 198922570587072. Its totient is φ = 40105356972000.

The previous prime is 103605505512419. The next prime is 103605505512557. The reversal of 103605505512550 is 55215505506301.

It is a super-3 number, since 3×103605505512550³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 103605505512497 and 103605505512506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103605505512557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33421129261 + ... + 33421132360.

It is an arithmetic number, because the mean of its divisors is an integer number (8288440441128).

Almost surely, 2^{103605505512550} is an apocalyptic number.

103605505512550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103605505512550 is a deficient number, since it is larger than the sum of its proper divisors (95317065074522).

103605505512550 is a wasteful number, since it uses less digits than its factorization.

103605505512550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66842261664 (or 66842261659 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 103605505512550 in words is "one hundred three trillion, six hundred five billion, five hundred five million, five hundred twelve thousand, five hundred fifty".