13555155364536 has 32 divisors (see below), whose sum is σ = 33916294089360. Its totient is φ = 4514597697792.

The previous prime is 13555155364507. The next prime is 13555155364577. The reversal of 13555155364536 is 63546355155531.

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 7 ways as a sum of consecutive naturals, for example, 236684755 + ... + 236742018.

Almost surely, 2^{13555155364536} is an apocalyptic number.

It is an amenable number.

13555155364536 is an abundant number, since it is smaller than the sum of its proper divisors (20361138724824).

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

13555155364536 is a wasteful number, since it uses less digits than its factorization.

13555155364536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473427975 (or 473427971 counting only the distinct ones).

The product of its digits is 60750000, while the sum is 57.

The spelling of 13555155364536 in words is "thirteen trillion, five hundred fifty-five billion, one hundred fifty-five million, three hundred sixty-four thousand, five hundred thirty-six".