103405032505 has 8 divisors (see below), whose sum is σ = 124236087552. Its totient is φ = 82623993648.

The previous prime is 103405032499. The next prime is 103405032529. The reversal of 103405032505 is 505230504301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103405032505 - 2⁷ = 103405032377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 12499497 + ... + 12507766.

It is an arithmetic number, because the mean of its divisors is an integer number (15529510944).

Almost surely, 2^103405032505 is an apocalyptic number.

It is an amenable number.

103405032505 is a deficient number, since it is larger than the sum of its proper divisors (20831055047).

103405032505 is an equidigital number, since it uses as much as digits as its factorization.

103405032505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25008095.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 103405032505 its reverse (505230504301), we get a palindrome (608635536806).

The spelling of 103405032505 in words is "one hundred three billion, four hundred five million, thirty-two thousand, five hundred five".