104720221265 has 16 divisors (see below), whose sum is σ = 137125517760. Its totient is φ = 76139478720.

The previous prime is 104720221237. The next prime is 104720221297. The reversal of 104720221265 is 562122027401.

It is not a de Polignac number, because 104720221265 - 2⁸ = 104720221009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52679 + ... + 460668.

It is an arithmetic number, because the mean of its divisors is an integer number (8570344860).

Almost surely, 2^104720221265 is an apocalyptic number.

It is an amenable number.

104720221265 is a deficient number, since it is larger than the sum of its proper divisors (32405296495).

104720221265 is a wasteful number, since it uses less digits than its factorization.

104720221265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517072.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 104720221265 its reverse (562122027401), we get a palindrome (666842248666).

The spelling of 104720221265 in words is "one hundred four billion, seven hundred twenty million, two hundred twenty-one thousand, two hundred sixty-five".