1255263065660 has 48 divisors (see below), whose sum is σ = 2774921587200. Its totient is φ = 475656427584.

The previous prime is 1255263065593. The next prime is 1255263065677. The reversal of 1255263065660 is 665603625521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9702881 + ... + 9831399.

It is an arithmetic number, because the mean of its divisors is an integer number (57810866400).

Almost surely, 2^{1255263065660} is an apocalyptic number.

1255263065660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255263065660 is an abundant number, since it is smaller than the sum of its proper divisors (1519658521540).

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

1255263065660 is a wasteful number, since it uses less digits than its factorization.

1255263065660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154250 (or 154248 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 1255263065660 in words is "one trillion, two hundred fifty-five billion, two hundred sixty-three million, sixty-five thousand, six hundred sixty".