1186987848648 has 128 divisors (see below), whose sum is σ = 3410186711040. Its totient is φ = 337265280000.

The previous prime is 1186987848647. The next prime is 1186987848691. The reversal of 1186987848648 is 8468487896811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1186987848647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22272193 + ... + 22325423.

It is an arithmetic number, because the mean of its divisors is an integer number (26642083680).

Almost surely, 2^{1186987848648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1186987848648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705093355520).

1186987848648 is an abundant number, since it is smaller than the sum of its proper divisors (2223198862392).

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

1186987848648 is a wasteful number, since it uses less digits than its factorization.

1186987848648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53979 (or 53975 counting only the distinct ones).

The product of its digits is 1189085184, while the sum is 78.

The spelling of 1186987848648 in words is "one trillion, one hundred eighty-six billion, nine hundred eighty-seven million, eight hundred forty-eight thousand, six hundred forty-eight".