1181743114840 has 48 divisors (see below), whose sum is σ = 2744782597440. Its totient is φ = 457434129600.

The previous prime is 1181743114819. The next prime is 1181743114847. The reversal of 1181743114840 is 484113471811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181743114847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38264605 + ... + 38295475.

It is an arithmetic number, because the mean of its divisors is an integer number (57182970780).

Almost surely, 2^{1181743114840} is an apocalyptic number.

1181743114840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1181743114840 is an abundant number, since it is smaller than the sum of its proper divisors (1563039482600).

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

1181743114840 is an frugal number, since it uses more digits than its factorization.

1181743114840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61784 (or 30909 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 1181743114840 in words is "one trillion, one hundred eighty-one billion, seven hundred forty-three million, one hundred fourteen thousand, eight hundred forty".