1260566858100 has 144 divisors (see below), whose sum is σ = 4151799267840. Its totient is φ = 292305340800.

The previous prime is 1260566858099. The next prime is 1260566858129. The reversal of 1260566858100 is 18586650621.

It is a super-2 number, since 2×1260566858100² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1260566858100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8228230 + ... + 8380029.

It is an arithmetic number, because the mean of its divisors is an integer number (28831939360).

Almost surely, 2^{1260566858100} is an apocalyptic number.

1260566858100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260566858100 is an abundant number, since it is smaller than the sum of its proper divisors (2891232409740).

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

1260566858100 is a wasteful number, since it uses less digits than its factorization.

1260566858100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16608310 (or 16608303 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 1260566858100 in words is "one trillion, two hundred sixty billion, five hundred sixty-six million, eight hundred fifty-eight thousand, one hundred".