1189412942366 has 32 divisors (see below), whose sum is σ = 2081205070560. Its totient is φ = 503801728000.

The previous prime is 1189412942357. The next prime is 1189412942371. The reversal of 1189412942366 is 6632492149811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15706031 + ... + 15781578.

It is an arithmetic number, because the mean of its divisors is an integer number (65037658455).

Almost surely, 2^{1189412942366} is an apocalyptic number.

1189412942366 is a deficient number, since it is larger than the sum of its proper divisors (891792128194).

1189412942366 is a wasteful number, since it uses less digits than its factorization.

1189412942366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31487740.

The product of its digits is 4478976, while the sum is 56.

The spelling of 1189412942366 in words is "one trillion, one hundred eighty-nine billion, four hundred twelve million, nine hundred forty-two thousand, three hundred sixty-six".