109571040510523 has 2 divisors, whose sum is σ = 109571040510524. Its totient is φ = 109571040510522.

The previous prime is 109571040510469. The next prime is 109571040510527. The reversal of 109571040510523 is 325015040175901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109571040510523 - 2²¹ = 109571038413371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109571040510523.

It is not a weakly prime, because it can be changed into another prime (109571040510527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54785520255261 + 54785520255262.

It is an arithmetic number, because the mean of its divisors is an integer number (54785520255262).

Almost surely, 2^{109571040510523} is an apocalyptic number.

109571040510523 is a deficient number, since it is larger than the sum of its proper divisors (1).

109571040510523 is an equidigital number, since it uses as much as digits as its factorization.

109571040510523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 109571040510523 in words is "one hundred nine trillion, five hundred seventy-one billion, forty million, five hundred ten thousand, five hundred twenty-three".