13503260415066 has 64 divisors (see below), whose sum is σ = 27551931432960. Its totient is φ = 4411299372480.

The previous prime is 13503260415031. The next prime is 13503260415079. The reversal of 13503260415066 is 66051406230531.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27246615 + ... + 27737781.

It is an arithmetic number, because the mean of its divisors is an integer number (430498928640).

Almost surely, 2^{13503260415066} is an apocalyptic number.

13503260415066 is an abundant number, since it is smaller than the sum of its proper divisors (14048671017894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13503260415066 is a wasteful number, since it uses less digits than its factorization.

13503260415066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491739.

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 13503260415066 its reverse (66051406230531), we get a palindrome (79554666645597).

The spelling of 13503260415066 in words is "thirteen trillion, five hundred three billion, two hundred sixty million, four hundred fifteen thousand, sixty-six".