1260727288500 has 96 divisors (see below), whose sum is σ = 3770460675072. Its totient is φ = 327107606400.

The previous prime is 1260727288451. The next prime is 1260727288553. The reversal of 1260727288500 is 58827270621.

It is a self number, because there is not a number n which added to its sum of digits gives 1260727288500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11302404 + ... + 11413403.

It is an arithmetic number, because the mean of its divisors is an integer number (39275632032).

Almost surely, 2^{1260727288500} is an apocalyptic number.

1260727288500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260727288500 is an abundant number, since it is smaller than the sum of its proper divisors (2509733386572).

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

1260727288500 is a wasteful number, since it uses less digits than its factorization.

1260727288500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22715866 (or 22715854 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 1260727288500 in words is "one trillion, two hundred sixty billion, seven hundred twenty-seven million, two hundred eighty-eight thousand, five hundred".