1186560011990 has 16 divisors (see below), whose sum is σ = 2135860861248. Its totient is φ = 474612262656.

The previous prime is 1186560011957. The next prime is 1186560012017. The reversal of 1186560011990 is 991100656811.

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, 1037342 + ... + 1857201.

It is an arithmetic number, because the mean of its divisors is an integer number (133491303828).

Almost surely, 2^{1186560011990} is an apocalyptic number.

1186560011990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1186560011990 is a deficient number, since it is larger than the sum of its proper divisors (949300849258).

1186560011990 is a wasteful number, since it uses less digits than its factorization.

1186560011990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935543.

The product of its (nonzero) digits is 116640, while the sum is 47.

The spelling of 1186560011990 in words is "one trillion, one hundred eighty-six billion, five hundred sixty million, eleven thousand, nine hundred ninety".