105055100505111 has 4 divisors (see below), whose sum is σ = 140073467340152. Its totient is φ = 70036733670072.

The previous prime is 105055100505107. The next prime is 105055100505127. The reversal of 105055100505111 is 111505001550501.

It is a happy number.

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

It is not a de Polignac number, because 105055100505111 - 2² = 105055100505107 is a prime.

It is a super-2 number, since 2×105055100505111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105055100505151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17509183417516 + ... + 17509183417521.

It is an arithmetic number, because the mean of its divisors is an integer number (35018366835038).

Almost surely, 2^{105055100505111} is an apocalyptic number.

105055100505111 is a deficient number, since it is larger than the sum of its proper divisors (35018366835041).

105055100505111 is an equidigital number, since it uses as much as digits as its factorization.

105055100505111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35018366835040.

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 105055100505111 in words is "one hundred five trillion, fifty-five billion, one hundred million, five hundred five thousand, one hundred eleven".