1099604559512 has 8 divisors (see below), whose sum is σ = 2061758549100. Its totient is φ = 549802279752.

The previous prime is 1099604559481. The next prime is 1099604559563. The reversal of 1099604559512 is 2159554069901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68725284962 + ... + 68725284977.

Almost surely, 2^{1099604559512} is an apocalyptic number.

It is an amenable number.

1099604559512 is a deficient number, since it is larger than the sum of its proper divisors (962153989588).

1099604559512 is a wasteful number, since it uses less digits than its factorization.

1099604559512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137450569945 (or 137450569941 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 56.

The spelling of 1099604559512 in words is "one trillion, ninety-nine billion, six hundred four million, five hundred fifty-nine thousand, five hundred twelve".