260471521611 has 24 divisors (see below), whose sum is σ = 448885164240. Its totient is φ = 148840868736.

The previous prime is 260471521573. The next prime is 260471521633. The reversal of 260471521611 is 116125174062.

260471521611 is a `hidden beast` number, since 2 + 6 + 0 + 4 + 7 + 15 + 21 + 611 = 666.

It is not a de Polignac number, because 260471521611 - 2¹⁷ = 260471390539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260471521711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98438406 + ... + 98441051.

It is an arithmetic number, because the mean of its divisors is an integer number (18703548510).

Almost surely, 2^260471521611 is an apocalyptic number.

260471521611 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

260471521611 is a deficient number, since it is larger than the sum of its proper divisors (188413642629).

260471521611 is a wasteful number, since it uses less digits than its factorization.

260471521611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196879480 (or 196879467 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

Adding to 260471521611 its reverse (116125174062), we get a palindrome (376596695673).

The spelling of 260471521611 in words is "two hundred sixty billion, four hundred seventy-one million, five hundred twenty-one thousand, six hundred eleven".