1111161606506 has 16 divisors (see below), whose sum is σ = 1905700041216. Its totient is φ = 475999223856.

The previous prime is 1111161606469. The next prime is 1111161606517. The reversal of 1111161606506 is 6056061611111.

It is a Curzon 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, 17708666 + ... + 17771301.

It is an arithmetic number, because the mean of its divisors is an integer number (119106252576).

Almost surely, 2^{1111161606506} is an apocalyptic number.

1111161606506 is a deficient number, since it is larger than the sum of its proper divisors (794538434710).

1111161606506 is a wasteful number, since it uses less digits than its factorization.

1111161606506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35482213.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 1111161606506 in words is "one trillion, one hundred eleven billion, one hundred sixty-one million, six hundred six thousand, five hundred six".