111105551105111 has 8 divisors (see below), whose sum is σ = 111126939480960. Its totient is φ = 111084163338168.

The previous prime is 111105551105099. The next prime is 111105551105123. The reversal of 111105551105111 is 111501155501111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111105551105099) and next prime (111105551105123).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111105551105111 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 (111105551105011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553801760 + ... + 554002346.

It is an arithmetic number, because the mean of its divisors is an integer number (13890867435120).

Almost surely, 2^{111105551105111} is an apocalyptic number.

111105551105111 is a deficient number, since it is larger than the sum of its proper divisors (21388375849).

111105551105111 is an equidigital number, since it uses as much as digits as its factorization.

111105551105111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304453.

The product of its (nonzero) digits is 625, while the sum is 29.

The spelling of 111105551105111 in words is "one hundred eleven trillion, one hundred five billion, five hundred fifty-one million, one hundred five thousand, one hundred eleven".