111061010551111 has 4 divisors (see below), whose sum is σ = 111806386461000. Its totient is φ = 110315634641224.

The previous prime is 111061010551079. The next prime is 111061010551177. The reversal of 111061010551111 is 111155010160111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111061010551111 - 2⁵ = 111061010551079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111061010551811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 372687954721 + ... + 372687955018.

It is an arithmetic number, because the mean of its divisors is an integer number (27951596615250).

Almost surely, 2^{111061010551111} is an apocalyptic number.

111061010551111 is a deficient number, since it is larger than the sum of its proper divisors (745375909889).

111061010551111 is an equidigital number, since it uses as much as digits as its factorization.

111061010551111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745375909888.

The product of its (nonzero) digits is 150, while the sum is 25.

The spelling of 111061010551111 in words is "one hundred eleven trillion, sixty-one billion, ten million, five hundred fifty-one thousand, one hundred eleven".