13520415103 has 8 divisors (see below), whose sum is σ = 14564643296. Its totient is φ = 12476786400.

The previous prime is 13520415101. The next prime is 13520415107. The reversal of 13520415103 is 30151402531.

It is a happy number.

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

It is not a de Polignac number, because 13520415103 - 2¹ = 13520415101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520415101) 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 7 ways as a sum of consecutive naturals, for example, 102468 + ... + 193753.

It is an arithmetic number, because the mean of its divisors is an integer number (1820580412).

Almost surely, 2^13520415103 is an apocalyptic number.

13520415103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13520415103 is a deficient number, since it is larger than the sum of its proper divisors (1044228193).

13520415103 is a wasteful number, since it uses less digits than its factorization.

13520415103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299745.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 13520415103 its reverse (30151402531), we get a palindrome (43671817634).

The spelling of 13520415103 in words is "thirteen billion, five hundred twenty million, four hundred fifteen thousand, one hundred three".