100105056051909 has 8 divisors (see below), whose sum is σ = 137080797476640. Its totient is φ = 64933009330896.

The previous prime is 100105056051887. The next prime is 100105056051943. The reversal of 100105056051909 is 909150650501001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100105056051909 - 2¹² = 100105056047813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100105056031909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450923675799 + ... + 450923676020.

It is an arithmetic number, because the mean of its divisors is an integer number (17135099684580).

Almost surely, 2^{100105056051909} is an apocalyptic number.

It is an amenable number.

100105056051909 is a deficient number, since it is larger than the sum of its proper divisors (36975741424731).

100105056051909 is an equidigital number, since it uses as much as digits as its factorization.

100105056051909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901847351859.

The product of its (nonzero) digits is 60750, while the sum is 42.

The spelling of 100105056051909 in words is "one hundred trillion, one hundred five billion, fifty-six million, fifty-one thousand, nine hundred nine".