2108855230747 has 16 divisors (see below), whose sum is σ = 2241001749600. Its totient is φ = 1984477271040.

The previous prime is 2108855230681. The next prime is 2108855230751. The reversal of 2108855230747 is 7470325588012.

It is a happy number.

It is not a de Polignac number, because 2108855230747 - 2³⁵ = 2074495492379 is a prime.

It is a super-2 number, since 2×2108855230747² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2108855230694 and 2108855230703.

It is not an unprimeable number, because it can be changed into a prime (2108855230147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32830972 + ... + 32895142.

It is an arithmetic number, because the mean of its divisors is an integer number (140062609350).

Almost surely, 2^{2108855230747} is an apocalyptic number.

2108855230747 is a deficient number, since it is larger than the sum of its proper divisors (132146518853).

2108855230747 is an frugal number, since it uses more digits than its factorization.

2108855230747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70911 (or 70877 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 2108855230747 in words is "two trillion, one hundred eight billion, eight hundred fifty-five million, two hundred thirty thousand, seven hundred forty-seven".