241221505005278 has 32 divisors (see below), whose sum is σ = 426984295753728. Its totient is φ = 100017126655200.

The previous prime is 241221505005277. The next prime is 241221505005311. The reversal of 241221505005278 is 872500505122142.

It is a super-4 number, since 4×241221505005278⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241221505005277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78091025 + ... + 81121212.

It is an arithmetic number, because the mean of its divisors is an integer number (13343259242304).

Almost surely, 2^{241221505005278} is an apocalyptic number.

241221505005278 is a deficient number, since it is larger than the sum of its proper divisors (185762790748450).

241221505005278 is a wasteful number, since it uses less digits than its factorization.

241221505005278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159215768.

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 241221505005278 in words is "two hundred forty-one trillion, two hundred twenty-one billion, five hundred five million, five thousand, two hundred seventy-eight".