13520313152555 has 16 divisors (see below), whose sum is σ = 18468854648064. Its totient is φ = 9405435235680.

The previous prime is 13520313152497. The next prime is 13520313152569. The reversal of 13520313152555 is 55525131302531.

It is not a de Polignac number, because 13520313152555 - 2¹⁰ = 13520313151531 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, 5343996029 + ... + 5343998558.

It is an arithmetic number, because the mean of its divisors is an integer number (1154303415504).

Almost surely, 2^{13520313152555} is an apocalyptic number.

13520313152555 is a deficient number, since it is larger than the sum of its proper divisors (4948541495509).

13520313152555 is a wasteful number, since it uses less digits than its factorization.

13520313152555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687994626.

The product of its (nonzero) digits is 337500, while the sum is 41.

The spelling of 13520313152555 in words is "thirteen trillion, five hundred twenty billion, three hundred thirteen million, one hundred fifty-two thousand, five hundred fifty-five".