261304820114 has 16 divisors (see below), whose sum is σ = 428407905408. Its totient is φ = 118802190672.

The previous prime is 261304820099. The next prime is 261304820159. The reversal of 261304820114 is 411028403162.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74999642 + ... + 75003125.

It is an arithmetic number, because the mean of its divisors is an integer number (26775494088).

Almost surely, 2^261304820114 is an apocalyptic number.

261304820114 is a deficient number, since it is larger than the sum of its proper divisors (167103085294).

261304820114 is a wasteful number, since it uses less digits than its factorization.

261304820114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150002849.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 261304820114 in words is "two hundred sixty-one billion, three hundred four million, eight hundred twenty thousand, one hundred fourteen".