13555212137120 has 48 divisors (see below), whose sum is σ = 33416544712320. Its totient is φ = 5186342033664.

The previous prime is 13555212137111. The next prime is 13555212137147. The reversal of 13555212137120 is 2173121255531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841737100 + ... + 1841744459.

It is an arithmetic number, because the mean of its divisors is an integer number (696178014840).

Almost surely, 2^{13555212137120} is an apocalyptic number.

13555212137120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13555212137120 is an abundant number, since it is smaller than the sum of its proper divisors (19861332575200).

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

13555212137120 is a wasteful number, since it uses less digits than its factorization.

13555212137120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683481597 (or 3683481589 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 13555212137120 in words is "thirteen trillion, five hundred fifty-five billion, two hundred twelve million, one hundred thirty-seven thousand, one hundred twenty".