108034211561 has 4 divisors (see below), whose sum is σ = 108582608772. Its totient is φ = 107485814352.

The previous prime is 108034211543. The next prime is 108034211567. The reversal of 108034211561 is 165112430801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 165112430801 = 67777 ⋅2436113.

It can be written as a sum of positive squares in 2 ways, for example, as 58564000000 + 49470211561 = 242000^2 + 222419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108034211561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108034211567) 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, 274198310 + ... + 274198703.

It is an arithmetic number, because the mean of its divisors is an integer number (27145652193).

Almost surely, 2^108034211561 is an apocalyptic number.

It is an amenable number.

108034211561 is a deficient number, since it is larger than the sum of its proper divisors (548397211).

108034211561 is an equidigital number, since it uses as much as digits as its factorization.

108034211561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548397210.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 108034211561 in words is "one hundred eight billion, thirty-four million, two hundred eleven thousand, five hundred sixty-one".