13530420415 has 16 divisors (see below), whose sum is σ = 16405728768. Its totient is φ = 10711669536.

The previous prime is 13530420359. The next prime is 13530420433. The reversal of 13530420415 is 51402403531.

It is a cyclic number.

It is not a de Polignac number, because 13530420415 - 2¹¹ = 13530418367 is a prime.

It is a Duffinian number.

It is a congruent 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, 786132 + ... + 803158.

It is an arithmetic number, because the mean of its divisors is an integer number (1025358048).

Almost surely, 2^13530420415 is an apocalyptic number.

13530420415 is a deficient number, since it is larger than the sum of its proper divisors (2875308353).

13530420415 is a wasteful number, since it uses less digits than its factorization.

13530420415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18678.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 13530420415 its reverse (51402403531), we get a palindrome (64932823946).

The spelling of 13530420415 in words is "thirteen billion, five hundred thirty million, four hundred twenty thousand, four hundred fifteen".