100605055505 has 16 divisors (see below), whose sum is σ = 126936406800. Its totient is φ = 76434812160.

The previous prime is 100605055477. The next prime is 100605055519. The reversal of 100605055505 is 505550506001.

It can be written as a sum of positive squares in 8 ways, for example, as 1382575489 + 99222480016 = 37183^2 + 314996^2 .

It is not a de Polignac number, because 100605055505 - 2²⁴ = 100588278289 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5678270 + ... + 5695959.

It is an arithmetic number, because the mean of its divisors is an integer number (7933525425).

Almost surely, 2^100605055505 is an apocalyptic number.

It is an amenable number.

100605055505 is a deficient number, since it is larger than the sum of its proper divisors (26331351295).

100605055505 is a wasteful number, since it uses less digits than its factorization.

100605055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374324.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 100605055505 in words is "one hundred billion, six hundred five million, fifty-five thousand, five hundred five".