172425223511 has 2 divisors, whose sum is σ = 172425223512. Its totient is φ = 172425223510.

The previous prime is 172425223507. The next prime is 172425223513. The reversal of 172425223511 is 115322524271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172425223511 - 2² = 172425223507 is a prime.

It is a Sophie Germain prime.

Together with 172425223513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172425223513) 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, 86212611755 + 86212611756.

It is an arithmetic number, because the mean of its divisors is an integer number (86212611756).

Almost surely, 2^172425223511 is an apocalyptic number.

172425223511 is a deficient number, since it is larger than the sum of its proper divisors (1).

172425223511 is an equidigital number, since it uses as much as digits as its factorization.

172425223511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

Adding to 172425223511 its reverse (115322524271), we get a palindrome (287747747782).

The spelling of 172425223511 in words is "one hundred seventy-two billion, four hundred twenty-five million, two hundred twenty-three thousand, five hundred eleven".