1287147158118 has 48 divisors (see below), whose sum is σ = 2791082810880. Its totient is φ = 428700914928.

The previous prime is 1287147158117. The next prime is 1287147158177. The reversal of 1287147158118 is 8118517417821.

1287147158118 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 1 + 47 + 1 + 581 + 18 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1287147158117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194812371 + ... + 194818977.

It is an arithmetic number, because the mean of its divisors is an integer number (58147558560).

Almost surely, 2^{1287147158118} is an apocalyptic number.

1287147158118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1287147158118 is an abundant number, since it is smaller than the sum of its proper divisors (1503935652762).

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

1287147158118 is a wasteful number, since it uses less digits than its factorization.

1287147158118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13761 (or 13758 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 54.

The spelling of 1287147158118 in words is "one trillion, two hundred eighty-seven billion, one hundred forty-seven million, one hundred fifty-eight thousand, one hundred eighteen".