1125556732412 has 12 divisors (see below), whose sum is σ = 2251113464880. Its totient is φ = 482381456736.

The previous prime is 1125556732397. The next prime is 1125556732429. The reversal of 1125556732412 is 2142376555211.

1125556732412 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20099227337 + ... + 20099227392.

It is an arithmetic number, because the mean of its divisors is an integer number (187592788740).

Almost surely, 2^{1125556732412} is an apocalyptic number.

It is an amenable number.

1125556732412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1125556732412 is a wasteful number, since it uses less digits than its factorization.

1125556732412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40198454740 (or 40198454738 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The spelling of 1125556732412 in words is "one trillion, one hundred twenty-five billion, five hundred fifty-six million, seven hundred thirty-two thousand, four hundred twelve".