105556001055 has 16 divisors (see below), whose sum is σ = 169044430464. Its totient is φ = 56244924320.

The previous prime is 105556001029. The next prime is 105556001063. The reversal of 105556001055 is 550100655501.

It is not a de Polignac number, because 105556001055 - 2¹¹ = 105555999007 is a prime.

It is a super-2 number, since 2×105556001055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208689 + ... + 3241418.

It is an arithmetic number, because the mean of its divisors is an integer number (10565276904).

Almost surely, 2^105556001055 is an apocalyptic number.

105556001055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105556001055 is a deficient number, since it is larger than the sum of its proper divisors (63488429409).

105556001055 is a wasteful number, since it uses less digits than its factorization.

105556001055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451206.

The product of its (nonzero) digits is 18750, while the sum is 33.

Adding to 105556001055 its reverse (550100655501), we get a palindrome (655656656556).

The spelling of 105556001055 in words is "one hundred five billion, five hundred fifty-six million, one thousand, fifty-five".