100506105550506 has 64 divisors (see below), whose sum is σ = 213328609689600. Its totient is φ = 31478414679936.

The previous prime is 100506105550489. The next prime is 100506105550597. The reversal of 100506105550506 is 605055501605001.

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, 42559366 + ... + 44858798.

It is an arithmetic number, because the mean of its divisors is an integer number (3333259526400).

Almost surely, 2^{100506105550506} is an apocalyptic number.

100506105550506 is an abundant number, since it is smaller than the sum of its proper divisors (112822504139094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100506105550506 is a wasteful number, since it uses less digits than its factorization.

100506105550506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302603.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 100506105550506 in words is "one hundred trillion, five hundred six billion, one hundred five million, five hundred fifty thousand, five hundred six".