1121188635646 has 8 divisors (see below), whose sum is σ = 1727236546920. Its totient is φ = 545443120008.

The previous prime is 1121188635557. The next prime is 1121188635659. The reversal of 1121188635646 is 6465368811211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121188635593 and 1121188635602.

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 3 ways as a sum of consecutive naturals, for example, 7575598816 + ... + 7575598963.

It is an arithmetic number, because the mean of its divisors is an integer number (215904568365).

Almost surely, 2^{1121188635646} is an apocalyptic number.

1121188635646 is a deficient number, since it is larger than the sum of its proper divisors (606047911274).

1121188635646 is a wasteful number, since it uses less digits than its factorization.

1121188635646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151197818.

The product of its digits is 1658880, while the sum is 52.

The spelling of 1121188635646 in words is "one trillion, one hundred twenty-one billion, one hundred eighty-eight million, six hundred thirty-five thousand, six hundred forty-six".