1186484101887 has 12 divisors (see below), whose sum is σ = 1840261056216. Its totient is φ = 677990915280.

The previous prime is 1186484101843. The next prime is 1186484101921. The reversal of 1186484101887 is 7881014846811.

It is not a de Polignac number, because 1186484101887 - 2¹¹ = 1186484099839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1186484101087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4035660064 + ... + 4035660357.

It is an arithmetic number, because the mean of its divisors is an integer number (153355088018).

Almost surely, 2^{1186484101887} is an apocalyptic number.

1186484101887 is a deficient number, since it is larger than the sum of its proper divisors (653776954329).

1186484101887 is an equidigital number, since it uses as much as digits as its factorization.

1186484101887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071320438 (or 8071320431 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 57.

The spelling of 1186484101887 in words is "one trillion, one hundred eighty-six billion, four hundred eighty-four million, one hundred one thousand, eight hundred eighty-seven".