100606010105506 has 4 divisors (see below), whose sum is σ = 150909015158262. Its totient is φ = 50303005052752.

The previous prime is 100606010105477. The next prime is 100606010105507. The reversal of 100606010105506 is 605501010606001.

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

It can be written as a sum of positive squares in only one way, i.e., 90636778512225 + 9969231593281 = 9520335^2 + 3157409^2 .

It is not an unprimeable number, because it can be changed into a prime (100606010105507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25151502526375 + ... + 25151502526378.

Almost surely, 2^{100606010105506} is an apocalyptic number.

100606010105506 is a deficient number, since it is larger than the sum of its proper divisors (50303005052756).

100606010105506 is an equidigital number, since it uses as much as digits as its factorization.

100606010105506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50303005052755.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 100606010105506 in words is "one hundred trillion, six hundred six billion, ten million, one hundred five thousand, five hundred six".