105601006055 has 4 divisors (see below), whose sum is σ = 126721207272. Its totient is φ = 84480804840.

The previous prime is 105601006051. The next prime is 105601006067. The reversal of 105601006055 is 550600106501.

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

It is not a de Polignac number, because 105601006055 - 2² = 105601006051 is a prime.

It is a super-2 number, since 2×105601006055² (a number of 23 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 (105601006051) 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, 10560100601 + ... + 10560100610.

It is an arithmetic number, because the mean of its divisors is an integer number (31680301818).

Almost surely, 2^105601006055 is an apocalyptic number.

105601006055 is a deficient number, since it is larger than the sum of its proper divisors (21120201217).

105601006055 is an equidigital number, since it uses as much as digits as its factorization.

105601006055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21120201216.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 105601006055 in words is "one hundred five billion, six hundred one million, six thousand, fifty-five".