105550051055 has 16 divisors (see below), whose sum is σ = 133341293280. Its totient is φ = 79986880512.

The previous prime is 105550051051. The next prime is 105550051121. The reversal of 105550051055 is 550150055501.

It is a cyclic number.

It is not a de Polignac number, because 105550051055 - 2² = 105550051051 is a prime.

It is a super-2 number, since 2×105550051055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550051051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863927 + ... + 978503.

It is an arithmetic number, because the mean of its divisors is an integer number (8333830830).

Almost surely, 2^105550051055 is an apocalyptic number.

105550051055 is a deficient number, since it is larger than the sum of its proper divisors (27791242225).

105550051055 is a wasteful number, since it uses less digits than its factorization.

105550051055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124298.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 105550051055 in words is "one hundred five billion, five hundred fifty million, fifty-one thousand, fifty-five".