105051055550505 has 32 divisors (see below), whose sum is σ = 168833918496000. Its totient is φ = 55776539319552.

The previous prime is 105051055550491. The next prime is 105051055550531. The reversal of 105051055550505 is 505055550150501.

It is not a de Polignac number, because 105051055550505 - 2¹³ = 105051055542313 is a prime.

It is a super-2 number, since 2×105051055550505² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30218196 + ... + 33514794.

It is an arithmetic number, because the mean of its divisors is an integer number (5276059953000).

Almost surely, 2^{105051055550505} is an apocalyptic number.

105051055550505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105051055550505 is a deficient number, since it is larger than the sum of its proper divisors (63782862945495).

105051055550505 is a wasteful number, since it uses less digits than its factorization.

105051055550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306113.

The product of its (nonzero) digits is 390625, while the sum is 42.

The spelling of 105051055550505 in words is "one hundred five trillion, fifty-one billion, fifty-five million, five hundred fifty thousand, five hundred five".