1131980056828 has 24 divisors (see below), whose sum is σ = 1994495302800. Its totient is φ = 562132076928.

The previous prime is 1131980056819. The next prime is 1131980056847. The reversal of 1131980056828 is 8286500891311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397875 + ... + 1556362.

It is an arithmetic number, because the mean of its divisors is an integer number (83103970950).

Almost surely, 2^{1131980056828} is an apocalyptic number.

It is an amenable number.

1131980056828 is a deficient number, since it is larger than the sum of its proper divisors (862515245972).

1131980056828 is a wasteful number, since it uses less digits than its factorization.

1131980056828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955229 (or 1955227 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 1131980056828 in words is "one trillion, one hundred thirty-one billion, nine hundred eighty million, fifty-six thousand, eight hundred twenty-eight".