11105501061 has 8 divisors (see below), whose sum is σ = 14835757824. Its totient is φ = 7389455840.

The previous prime is 11105501047. The next prime is 11105501063. The reversal of 11105501061 is 16010550111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11105501061 - 2¹⁵ = 11105468293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105501063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3551061 + ... + 3554186.

It is an arithmetic number, because the mean of its divisors is an integer number (1854469728).

Almost surely, 2^11105501061 is an apocalyptic number.

It is an amenable number.

11105501061 is a deficient number, since it is larger than the sum of its proper divisors (3730256763).

11105501061 is an equidigital number, since it uses as much as digits as its factorization.

11105501061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105771.

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 11105501061 in words is "eleven billion, one hundred five million, five hundred one thousand, sixty-one".