13315520436 has 48 divisors (see below), whose sum is σ = 33222934080. Its totient is φ = 4136051200.

The previous prime is 13315520401. The next prime is 13315520501. The reversal of 13315520436 is 63402551331.

It is a junction number, because it is equal to n+sod(n) for n = 13315520397 and 13315520406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302526 + ... + 343733.

It is an arithmetic number, because the mean of its divisors is an integer number (692144460).

Almost surely, 2^13315520436 is an apocalyptic number.

It is an amenable number.

13315520436 is an abundant number, since it is smaller than the sum of its proper divisors (19907413644).

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

13315520436 is a wasteful number, since it uses less digits than its factorization.

13315520436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646384 (or 646382 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 13315520436 in words is "thirteen billion, three hundred fifteen million, five hundred twenty thousand, four hundred thirty-six".