242111026155 has 16 divisors (see below), whose sum is σ = 388056075264. Its totient is φ = 128899736160.

The previous prime is 242111026133. The next prime is 242111026169. The reversal of 242111026155 is 551620111242.

It is not a de Polignac number, because 242111026155 - 2⁵ = 242111026123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14125179 + ... + 14142308.

It is an arithmetic number, because the mean of its divisors is an integer number (24253504704).

Almost surely, 2^242111026155 is an apocalyptic number.

242111026155 is a deficient number, since it is larger than the sum of its proper divisors (145945049109).

242111026155 is a wasteful number, since it uses less digits than its factorization.

242111026155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28268066.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 242111026155 its reverse (551620111242), we get a palindrome (793731137397).

The spelling of 242111026155 in words is "two hundred forty-two billion, one hundred eleven million, twenty-six thousand, one hundred fifty-five".