109606380016381 has 2 divisors, whose sum is σ = 109606380016382. Its totient is φ = 109606380016380.

The previous prime is 109606380016379. The next prime is 109606380016439. The reversal of 109606380016381 is 183610083606901.

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., 93665445404281 + 15940934612100 = 9678091^2 + 3992610^2 .

It is a cyclic number.

It is not a de Polignac number, because 109606380016381 - 2¹ = 109606380016379 is a prime.

It is a super-2 number, since 2×109606380016381² (a number of 29 digits) contains 22 as substring.

Together with 109606380016379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109606380016351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54803190008190 + 54803190008191.

It is an arithmetic number, because the mean of its divisors is an integer number (54803190008191).

Almost surely, 2^{109606380016381} is an apocalyptic number.

It is an amenable number.

109606380016381 is a deficient number, since it is larger than the sum of its proper divisors (1).

109606380016381 is an equidigital number, since it uses as much as digits as its factorization.

109606380016381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 109606380016381 in words is "one hundred nine trillion, six hundred six billion, three hundred eighty million, sixteen thousand, three hundred eighty-one".