260111010506 has 8 divisors (see below), whose sum is σ = 390551678244. Its totient is φ = 129927117760.

The previous prime is 260111010503. The next prime is 260111010571. The reversal of 260111010506 is 605010111062.

It can be written as a sum of positive squares in 2 ways, for example, as 183985234225 + 76125776281 = 428935^2 + 275909^2 .

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

It is not an unprimeable number, because it can be changed into a prime (260111010503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64191215 + ... + 64195266.

Almost surely, 2^260111010506 is an apocalyptic number.

260111010506 is a deficient number, since it is larger than the sum of its proper divisors (130440667738).

260111010506 is a wasteful number, since it uses less digits than its factorization.

260111010506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128387496.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 260111010506 its reverse (605010111062), we get a palindrome (865121121568).

The spelling of 260111010506 in words is "two hundred sixty billion, one hundred eleven million, ten thousand, five hundred six".