20345032255151 has 2 divisors, whose sum is σ = 20345032255152. Its totient is φ = 20345032255150.

The previous prime is 20345032255133. The next prime is 20345032255153. The reversal of 20345032255151 is 15155223054302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20345032255151 is a prime.

Together with 20345032255153, 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 (20345032255153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172516127575 + 10172516127576.

It is an arithmetic number, because the mean of its divisors is an integer number (10172516127576).

Almost surely, 2^{20345032255151} is an apocalyptic number.

20345032255151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345032255151 is an equidigital number, since it uses as much as digits as its factorization.

20345032255151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 20345032255151 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, two hundred fifty-five thousand, one hundred fifty-one".