261441431124114 has 8 divisors (see below), whose sum is σ = 522882862248240. Its totient is φ = 87147143708036.

The previous prime is 261441431124109. The next prime is 261441431124143. The reversal of 261441431124114 is 411421134144162.

It is a happy number.

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

261441431124114 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21786785927004 + ... + 21786785927015.

It is an arithmetic number, because the mean of its divisors is an integer number (65360357781030).

Almost surely, 2^{261441431124114} is an apocalyptic number.

261441431124114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261441431124114 is a wasteful number, since it uses less digits than its factorization.

261441431124114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43573571854024.

The product of its digits is 73728, while the sum is 39.

Adding to 261441431124114 its reverse (411421134144162), we get a palindrome (672862565268276).

The spelling of 261441431124114 in words is "two hundred sixty-one trillion, four hundred forty-one billion, four hundred thirty-one million, one hundred twenty-four thousand, one hundred fourteen".