1186486683540 has 48 divisors (see below), whose sum is σ = 3323800394880. Its totient is φ = 316240479360.

The previous prime is 1186486683523. The next prime is 1186486683601. The reversal of 1186486683540 is 453866846811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 4751296 + ... + 4994775.

It is an arithmetic number, because the mean of its divisors is an integer number (69245841560).

Almost surely, 2^{1186486683540} is an apocalyptic number.

1186486683540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1186486683540 is an abundant number, since it is smaller than the sum of its proper divisors (2137313711340).

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

1186486683540 is a wasteful number, since it uses less digits than its factorization.

1186486683540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748112 (or 9748110 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 1186486683540 in words is "one trillion, one hundred eighty-six billion, four hundred eighty-six million, six hundred eighty-three thousand, five hundred forty".