1121381193616 has 40 divisors (see below), whose sum is σ = 2210569818048. Its totient is φ = 550930512000.

The previous prime is 1121381193613. The next prime is 1121381193623. The reversal of 1121381193616 is 6163911831211.

It is not an unprimeable number, because it can be changed into a prime (1121381193613) 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, 356061 + ... + 1539331.

Almost surely, 2^{1121381193616} is an apocalyptic number.

1121381193616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1121381193616 is a deficient number, since it is larger than the sum of its proper divisors (1089188624432).

1121381193616 is a wasteful number, since it uses less digits than its factorization.

1121381193616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184311 (or 1184305 counting only the distinct ones).

The product of its digits is 46656, while the sum is 43.

The spelling of 1121381193616 in words is "one trillion, one hundred twenty-one billion, three hundred eighty-one million, one hundred ninety-three thousand, six hundred sixteen".