13555040501998 has 16 divisors (see below), whose sum is σ = 20526505149744. Its totient is φ = 6712896319360.

The previous prime is 13555040501993. The next prime is 13555040502011. The reversal of 13555040501998 is 89910504055531.

13555040501998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555040501993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4926763 + ... + 7168198.

It is an arithmetic number, because the mean of its divisors is an integer number (1282906571859).

Almost surely, 2^{13555040501998} is an apocalyptic number.

13555040501998 is a deficient number, since it is larger than the sum of its proper divisors (6971464647746).

13555040501998 is a wasteful number, since it uses less digits than its factorization.

13555040501998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100307.

The product of its (nonzero) digits is 4860000, while the sum is 55.

The spelling of 13555040501998 in words is "thirteen trillion, five hundred fifty-five billion, forty million, five hundred one thousand, nine hundred ninety-eight".