103206134304505 has 16 divisors (see below), whose sum is σ = 127847504646144. Its totient is φ = 79898356261440.

The previous prime is 103206134304479. The next prime is 103206134304577. The reversal of 103206134304505 is 505403431602301.

It is a de Polignac number, because none of the positive numbers 2^k-103206134304505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9269289 + ... + 17097718.

It is an arithmetic number, because the mean of its divisors is an integer number (7990469040384).

Almost surely, 2^{103206134304505} is an apocalyptic number.

It is an amenable number.

103206134304505 is a deficient number, since it is larger than the sum of its proper divisors (24641370341639).

103206134304505 is a wasteful number, since it uses less digits than its factorization.

103206134304505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26392296.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 103206134304505 its reverse (505403431602301), we get a palindrome (608609565906806).

The spelling of 103206134304505 in words is "one hundred three trillion, two hundred six billion, one hundred thirty-four million, three hundred four thousand, five hundred five".