13353520553515 has 4 divisors (see below), whose sum is σ = 16024224664224. Its totient is φ = 10682816442808.

The previous prime is 13353520553489. The next prime is 13353520553521. The reversal of 13353520553515 is 51535502535331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13353520553515 - 2²¹ = 13353518456363 is a prime.

It is a super-2 number, since 2×13353520553515² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335352055347 + ... + 1335352055356.

It is an arithmetic number, because the mean of its divisors is an integer number (4006056166056).

Almost surely, 2^{13353520553515} is an apocalyptic number.

13353520553515 is a deficient number, since it is larger than the sum of its proper divisors (2670704110709).

13353520553515 is an equidigital number, since it uses as much as digits as its factorization.

13353520553515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670704110708.

The product of its (nonzero) digits is 2531250, while the sum is 46.

The spelling of 13353520553515 in words is "thirteen trillion, three hundred fifty-three billion, five hundred twenty million, five hundred fifty-three thousand, five hundred fifteen".