111101101055055 has 24 divisors (see below), whose sum is σ = 192575487480480. Its totient is φ = 59253844977600.

The previous prime is 111101101055051. The next prime is 111101101055059. The reversal of 111101101055055 is 550550101101111.

111101101055055 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 0 + 1 + 101 + 0 + 550 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (111101101055051) and next prime (111101101055059).

It is not a de Polignac number, because 111101101055055 - 2² = 111101101055051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101101055051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65359405 + ... + 67037705.

It is an arithmetic number, because the mean of its divisors is an integer number (8023978645020).

Almost surely, 2^{111101101055055} is an apocalyptic number.

111101101055055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111101101055055 is a deficient number, since it is larger than the sum of its proper divisors (81474386425425).

111101101055055 is a wasteful number, since it uses less digits than its factorization.

111101101055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149391 (or 3149388 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 27.

Adding to 111101101055055 its reverse (550550101101111), we get a palindrome (661651202156166).

The spelling of 111101101055055 in words is "one hundred eleven trillion, one hundred one billion, one hundred one million, fifty-five thousand, fifty-five".