1306111100260 has 24 divisors (see below), whose sum is σ = 2742862171896. Its totient is φ = 522438942720.

The previous prime is 1306111100251. The next prime is 1306111100297. The reversal of 1306111100260 is 620011116031.

It can be written as a sum of positive squares in 4 ways, for example, as 24886324516 + 1281224775744 = 157754^2 + 1131912^2 .

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, 1991794 + ... + 2565046.

It is an arithmetic number, because the mean of its divisors is an integer number (114285923829).

Almost surely, 2^{1306111100260} is an apocalyptic number.

1306111100260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306111100260 is an abundant number, since it is smaller than the sum of its proper divisors (1436751071636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306111100260 is a wasteful number, since it uses less digits than its factorization.

1306111100260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687183 (or 687181 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 1306111100260 its reverse (620011116031), we get a palindrome (1926122216291).

The spelling of 1306111100260 in words is "one trillion, three hundred six billion, one hundred eleven million, one hundred thousand, two hundred sixty".