242021322011555 has 8 divisors (see below), whose sum is σ = 290426240080800. Its totient is φ = 193616621831296.

The previous prime is 242021322011549. The next prime is 242021322011563. The reversal of 242021322011555 is 555110223120242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242021322011555 - 2³² = 242017027044259 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52018535 + ... + 56479824.

It is an arithmetic number, because the mean of its divisors is an integer number (36303280010100).

Almost surely, 2^{242021322011555} is an apocalyptic number.

242021322011555 is a deficient number, since it is larger than the sum of its proper divisors (48404918069245).

242021322011555 is a wasteful number, since it uses less digits than its factorization.

242021322011555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108944493.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 242021322011555 its reverse (555110223120242), we get a palindrome (797131545131797).

The spelling of 242021322011555 in words is "two hundred forty-two trillion, twenty-one billion, three hundred twenty-two million, eleven thousand, five hundred fifty-five".