1181141927087 has 8 divisors (see below), whose sum is σ = 1209317622480. Its totient is φ = 1152998380800.

The previous prime is 1181141927083. The next prime is 1181141927089. The reversal of 1181141927087 is 7807291411811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1181141927087 - 2² = 1181141927083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181141927083) 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 7 ways as a sum of consecutive naturals, for example, 7962914 + ... + 8109887.

It is an arithmetic number, because the mean of its divisors is an integer number (151164702810).

Almost surely, 2^{1181141927087} is an apocalyptic number.

1181141927087 is a deficient number, since it is larger than the sum of its proper divisors (28175695393).

1181141927087 is a wasteful number, since it uses less digits than its factorization.

1181141927087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074553.

The product of its (nonzero) digits is 225792, while the sum is 50.

The spelling of 1181141927087 in words is "one trillion, one hundred eighty-one billion, one hundred forty-one million, nine hundred twenty-seven thousand, eighty-seven".