103405550505 has 16 divisors (see below), whose sum is σ = 174156717120. Its totient is φ = 52247014848.

The previous prime is 103405550503. The next prime is 103405550513. The reversal of 103405550505 is 505055504301.

It is not a de Polignac number, because 103405550505 - 2¹ = 103405550503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103405550503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181412962 + ... + 181413531.

It is an arithmetic number, because the mean of its divisors is an integer number (10884794820).

Almost surely, 2^103405550505 is an apocalyptic number.

103405550505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103405550505 is a deficient number, since it is larger than the sum of its proper divisors (70751166615).

103405550505 is a wasteful number, since it uses less digits than its factorization.

103405550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362826520.

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 103405550505 in words is "one hundred three billion, four hundred five million, five hundred fifty thousand, five hundred five".