1187110486116 has 81 divisors (see below), whose sum is σ = 3029426976121. Its totient is φ = 391957636224.

The previous prime is 1187110486097. The next prime is 1187110486129. The reversal of 1187110486116 is 6116840117811.

The square root of 1187110486116 is 1089546.

It is a perfect power (a square), and thus also a powerful number.

1187110486116 is a `hidden beast` number, since 1 + 18 + 7 + 1 + 10 + 4 + 8 + 611 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20917836900 + 1166192649216 = 144630^2 + 1079904^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 738711385 + ... + 738712991.

Almost surely, 2^{1187110486116} is an apocalyptic number.

1187110486116 is the 1089546-th square number.

It is an amenable number.

1187110486116 is an abundant number, since it is smaller than the sum of its proper divisors (1842316490005).

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

1187110486116 is an equidigital number, since it uses as much as digits as its factorization.

1187110486116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 45.

The spelling of 1187110486116 in words is "one trillion, one hundred eighty-seven billion, one hundred ten million, four hundred eighty-six thousand, one hundred sixteen".