100506105550619 has 4 divisors (see below), whose sum is σ = 100512979657680. Its totient is φ = 100499231443560.

The previous prime is 100506105550597. The next prime is 100506105550673. The reversal of 100506105550619 is 916055501605001.

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

It is a cyclic number.

It is not a de Polignac number, because 100506105550619 - 2⁸ = 100506105550363 is a prime.

It is a super-2 number, since 2×100506105550619² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100506105550619.

It is not an unprimeable number, because it can be changed into a prime (100506105559619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3437031599 + ... + 3437060840.

It is an arithmetic number, because the mean of its divisors is an integer number (25128244914420).

Almost surely, 2^{100506105550619} is an apocalyptic number.

100506105550619 is a deficient number, since it is larger than the sum of its proper divisors (6874107061).

100506105550619 is an equidigital number, since it uses as much as digits as its factorization.

100506105550619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874107060.

The product of its (nonzero) digits is 202500, while the sum is 44.

The spelling of 100506105550619 in words is "one hundred trillion, five hundred six billion, one hundred five million, five hundred fifty thousand, six hundred nineteen".