1181942133215 has 8 divisors (see below), whose sum is σ = 1418342261568. Its totient is φ = 945545905440.

The previous prime is 1181942133209. The next prime is 1181942133257. The reversal of 1181942133215 is 5123312491811.

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

It is not a de Polignac number, because 1181942133215 - 2²² = 1181937938911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260951 + ... + 1559480.

It is an arithmetic number, because the mean of its divisors is an integer number (177292782696).

Almost surely, 2^{1181942133215} is an apocalyptic number.

1181942133215 is a deficient number, since it is larger than the sum of its proper divisors (236400128353).

1181942133215 is a wasteful number, since it uses less digits than its factorization.

1181942133215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950289.

The product of its digits is 51840, while the sum is 41.

The spelling of 1181942133215 in words is "one trillion, one hundred eighty-one billion, nine hundred forty-two million, one hundred thirty-three thousand, two hundred fifteen".