108961088461 has 2 divisors, whose sum is σ = 108961088462. Its totient is φ = 108961088460.

The previous prime is 108961088449. The next prime is 108961088479. The reversal of 108961088461 is 164880169801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108507654025 + 453434436 = 329405^2 + 21294^2 .

It is a cyclic number.

It is not a de Polignac number, because 108961088461 - 2¹⁹ = 108960564173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108961088399 and 108961088408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108961088491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54480544230 + 54480544231.

It is an arithmetic number, because the mean of its divisors is an integer number (54480544231).

Almost surely, 2^108961088461 is an apocalyptic number.

It is an amenable number.

108961088461 is a deficient number, since it is larger than the sum of its proper divisors (1).

108961088461 is an equidigital number, since it uses as much as digits as its factorization.

108961088461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 52.

The spelling of 108961088461 in words is "one hundred eight billion, nine hundred sixty-one million, eighty-eight thousand, four hundred sixty-one".