100108560861055 has 4 divisors (see below), whose sum is σ = 120130273033272. Its totient is φ = 80086848688840.

The previous prime is 100108560861037. The next prime is 100108560861097. The reversal of 100108560861055 is 550168065801001.

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

It is not a de Polignac number, because 100108560861055 - 2²³ = 100108552472447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100108560860996 and 100108560861014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010856086101 + ... + 10010856086110.

It is an arithmetic number, because the mean of its divisors is an integer number (30032568258318).

Almost surely, 2^{100108560861055} is an apocalyptic number.

100108560861055 is a deficient number, since it is larger than the sum of its proper divisors (20021712172217).

100108560861055 is an equidigital number, since it uses as much as digits as its factorization.

100108560861055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20021712172216.

The product of its (nonzero) digits is 288000, while the sum is 46.

The spelling of 100108560861055 in words is "one hundred trillion, one hundred eight billion, five hundred sixty million, eight hundred sixty-one thousand, fifty-five".