108033821261 has 2 divisors, whose sum is σ = 108033821262. Its totient is φ = 108033821260.

The previous prime is 108033821257. The next prime is 108033821281. The reversal of 108033821261 is 162128330801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76103705161 + 31930116100 = 275869^2 + 178690^2 .

It is a cyclic number.

It is not a de Polignac number, because 108033821261 - 2² = 108033821257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108033821201) 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 as a sum of consecutive naturals, namely, 54016910630 + 54016910631.

It is an arithmetic number, because the mean of its divisors is an integer number (54016910631).

Almost surely, 2^108033821261 is an apocalyptic number.

It is an amenable number.

108033821261 is a deficient number, since it is larger than the sum of its proper divisors (1).

108033821261 is an equidigital number, since it uses as much as digits as its factorization.

108033821261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 108033821261 in words is "one hundred eight billion, thirty-three million, eight hundred twenty-one thousand, two hundred sixty-one".