1986125560790 has 128 divisors (see below), whose sum is σ = 4273044019200. Its totient is φ = 664035926400.

The previous prime is 1986125560781. The next prime is 1986125560817. The reversal of 1986125560790 is 970655216891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93055520 + ... + 93076860.

It is an arithmetic number, because the mean of its divisors is an integer number (33383156400).

Almost surely, 2^{1986125560790} is an apocalyptic number.

1986125560790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1986125560790 is an abundant number, since it is smaller than the sum of its proper divisors (2286918458410).

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

1986125560790 is a wasteful number, since it uses less digits than its factorization.

1986125560790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22043 (or 22029 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 59.

The spelling of 1986125560790 in words is "one trillion, nine hundred eighty-six billion, one hundred twenty-five million, five hundred sixty thousand, seven hundred ninety".