241221505011255 has 24 divisors (see below), whose sum is σ = 418841915389872. Its totient is φ = 128428503174144.

The previous prime is 241221505011191. The next prime is 241221505011259. The reversal of 241221505011255 is 552110505122142.

241221505011255 is a `hidden beast` number, since 2 + 4 + 1 + 2 + 21 + 5 + 0 + 501 + 125 + 5 = 666.

It is not a de Polignac number, because 241221505011255 - 2⁶ = 241221505011191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241221505011259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4645102189 + ... + 4645154118.

It is an arithmetic number, because the mean of its divisors is an integer number (17451746474578).

Almost surely, 2^{241221505011255} is an apocalyptic number.

241221505011255 is a deficient number, since it is larger than the sum of its proper divisors (177620410378617).

241221505011255 is a wasteful number, since it uses less digits than its factorization.

241221505011255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9290256895 (or 9290256892 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 241221505011255 in words is "two hundred forty-one trillion, two hundred twenty-one billion, five hundred five million, eleven thousand, two hundred fifty-five".