13555220554354 has 32 divisors (see below), whose sum is σ = 22284601642800. Its totient is φ = 6155273349120.

The previous prime is 13555220554333. The next prime is 13555220554367. The reversal of 13555220554354 is 45345502255531.

It can be written as a sum of positive squares in 8 ways, for example, as 7150955212129 + 6404265342225 = 2674127^2 + 2530665^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13555220554298 and 13555220554307.

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 15 ways as a sum of consecutive naturals, for example, 2472907 + ... + 5764174.

Almost surely, 2^{13555220554354} is an apocalyptic number.

13555220554354 is a deficient number, since it is larger than the sum of its proper divisors (8729381088446).

13555220554354 is a wasteful number, since it uses less digits than its factorization.

13555220554354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8238798.

The product of its (nonzero) digits is 9000000, while the sum is 49.

The spelling of 13555220554354 in words is "thirteen trillion, five hundred fifty-five billion, two hundred twenty million, five hundred fifty-four thousand, three hundred fifty-four".