1188120851338 has 16 divisors (see below), whose sum is σ = 1800110721024. Its totient is φ = 588104238960.

The previous prime is 1188120851329. The next prime is 1188120851371. The reversal of 1188120851338 is 8331580218811.

It is a junction number, because it is equal to n+sod(n) for n = 1188120851291 and 1188120851300.

It is an unprimeable number.

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, 4956270 + ... + 5190457.

It is an arithmetic number, because the mean of its divisors is an integer number (112506920064).

Almost surely, 2^{1188120851338} is an apocalyptic number.

1188120851338 is a deficient number, since it is larger than the sum of its proper divisors (611989869686).

1188120851338 is a wasteful number, since it uses less digits than its factorization.

1188120851338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147317.

The product of its (nonzero) digits is 368640, while the sum is 49.

The spelling of 1188120851338 in words is "one trillion, one hundred eighty-eight billion, one hundred twenty million, eight hundred fifty-one thousand, three hundred thirty-eight".