13520313152556 has 48 divisors (see below), whose sum is σ = 37028605399296. Its totient is φ = 3758542651584.

The previous prime is 13520313152497. The next prime is 13520313152569. The reversal of 13520313152556 is 65525131302531.

It is a super-3 number, since 3×13520313152556³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 2175079446 + ... + 2175085661.

It is an arithmetic number, because the mean of its divisors is an integer number (771429279152).

Almost surely, 2^{13520313152556} is an apocalyptic number.

It is an amenable number.

13520313152556 is an abundant number, since it is smaller than the sum of its proper divisors (23508292246740).

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

13520313152556 is a wasteful number, since it uses less digits than its factorization.

13520313152556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350165158 (or 4350165156 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 13520313152556 in words is "thirteen trillion, five hundred twenty billion, three hundred thirteen million, one hundred fifty-two thousand, five hundred fifty-six".