261471303441 has 12 divisors (see below), whose sum is σ = 386464045968. Its totient is φ = 170260383384.

The previous prime is 261471303433. The next prime is 261471303473. The reversal of 261471303441 is 144303174162.

261471303441 is a `hidden beast` number, since 2 + 614 + 7 + 1 + 3 + 0 + 34 + 4 + 1 = 666.

It is not a de Polignac number, because 261471303441 - 2³ = 261471303433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 261471303396 and 261471303405.

It is not an unprimeable number, because it can be changed into a prime (261471302441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337817835 + ... + 337818608.

It is an arithmetic number, because the mean of its divisors is an integer number (32205337164).

Almost surely, 2^261471303441 is an apocalyptic number.

It is an amenable number.

261471303441 is a deficient number, since it is larger than the sum of its proper divisors (124992742527).

261471303441 is a wasteful number, since it uses less digits than its factorization.

261471303441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675636492 (or 675636489 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 261471303441 in words is "two hundred sixty-one billion, four hundred seventy-one million, three hundred three thousand, four hundred forty-one".