109926218651 has 2 divisors, whose sum is σ = 109926218652. Its totient is φ = 109926218650.

The previous prime is 109926218617. The next prime is 109926218687. The reversal of 109926218651 is 156812629901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109926218651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109926218651.

It is not a weakly prime, because it can be changed into another prime (109920218651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54963109325 + 54963109326.

It is an arithmetic number, because the mean of its divisors is an integer number (54963109326).

Almost surely, 2^109926218651 is an apocalyptic number.

109926218651 is a deficient number, since it is larger than the sum of its proper divisors (1).

109926218651 is an equidigital number, since it uses as much as digits as its factorization.

109926218651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 109926218651 in words is "one hundred nine billion, nine hundred twenty-six million, two hundred eighteen thousand, six hundred fifty-one".