100506050605505 has 16 divisors (see below), whose sum is σ = 120687245202000. Its totient is φ = 80351519339520.

The previous prime is 100506050605481. The next prime is 100506050605547. The reversal of 100506050605505 is 505506050605001.

It can be written as a sum of positive squares in 8 ways, for example, as 370324582849 + 100135726022656 = 608543^2 + 10006784^2 .

It is not a de Polignac number, because 100506050605505 - 2¹² = 100506050601409 is a prime.

It is a Curzon 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, 828042461 + ... + 828163829.

It is an arithmetic number, because the mean of its divisors is an integer number (7542952825125).

Almost surely, 2^{100506050605505} is an apocalyptic number.

It is an amenable number.

100506050605505 is a deficient number, since it is larger than the sum of its proper divisors (20181194596495).

100506050605505 is a wasteful number, since it uses less digits than its factorization.

100506050605505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229844.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 100506050605505 in words is "one hundred trillion, five hundred six billion, fifty million, six hundred five thousand, five hundred five".