1101561611006 has 16 divisors (see below), whose sum is σ = 1698420428208. Its totient is φ = 535513166400.

The previous prime is 1101561610993. The next prime is 1101561611053. The reversal of 1101561611006 is 6001161651011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101561611006.

It is a congruent number.

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, 22900340 + ... + 22948391.

It is an arithmetic number, because the mean of its divisors is an integer number (106151276763).

Almost surely, 2^{1101561611006} is an apocalyptic number.

1101561611006 is a deficient number, since it is larger than the sum of its proper divisors (596858817202).

1101561611006 is a wasteful number, since it uses less digits than its factorization.

1101561611006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45849067.

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 1101561611006 in words is "one trillion, one hundred one billion, five hundred sixty-one million, six hundred eleven thousand, six".