1153561132012 has 24 divisors (see below), whose sum is σ = 2037087770256. Its totient is φ = 571559313408.

The previous prime is 1153561131979. The next prime is 1153561132049. The reversal of 1153561132012 is 2102311653511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2708698 + ... + 3105505.

It is an arithmetic number, because the mean of its divisors is an integer number (84878657094).

Almost surely, 2^{1153561132012} is an apocalyptic number.

It is an amenable number.

1153561132012 is a deficient number, since it is larger than the sum of its proper divisors (883526638244).

1153561132012 is a wasteful number, since it uses less digits than its factorization.

1153561132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814657 (or 5814655 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 1153561132012 its reverse (2102311653511), we get a palindrome (3255872785523).

The spelling of 1153561132012 in words is "one trillion, one hundred fifty-three billion, five hundred sixty-one million, one hundred thirty-two thousand, twelve".