1125556660500 has 48 divisors (see below), whose sum is σ = 3277620999744. Its totient is φ = 300148442400.

The previous prime is 1125556660483. The next prime is 1125556660511. The reversal of 1125556660500 is 50666555211.

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, 375184054 + ... + 375187053.

It is an arithmetic number, because the mean of its divisors is an integer number (68283770828).

Almost surely, 2^{1125556660500} is an apocalyptic number.

1125556660500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125556660500 is an abundant number, since it is smaller than the sum of its proper divisors (2152064339244).

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

1125556660500 is a wasteful number, since it uses less digits than its factorization.

1125556660500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750371129 (or 750371117 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 1125556660500 in words is "one trillion, one hundred twenty-five billion, five hundred fifty-six million, six hundred sixty thousand, five hundred".