260283508861 has 8 divisors (see below), whose sum is σ = 270434611800. Its totient is φ = 250210793280.

The previous prime is 260283508847. The next prime is 260283508943. The reversal of 260283508861 is 168805382062.

It can be written as a sum of positive squares in 4 ways, for example, as 89730202500 + 170553306361 = 299550^2 + 412981^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 260283508861 - 2¹⁹ = 260282984573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260283508061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19590070 + ... + 19603351.

It is an arithmetic number, because the mean of its divisors is an integer number (33804326475).

Almost surely, 2^260283508861 is an apocalyptic number.

It is an amenable number.

260283508861 is a deficient number, since it is larger than the sum of its proper divisors (10151102939).

260283508861 is a wasteful number, since it uses less digits than its factorization.

260283508861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39193679.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 260283508861 in words is "two hundred sixty billion, two hundred eighty-three million, five hundred eight thousand, eight hundred sixty-one".