20145426311 has 2 divisors, whose sum is σ = 20145426312. Its totient is φ = 20145426310.

The previous prime is 20145426307. The next prime is 20145426313. The reversal of 20145426311 is 11362454102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20145426311 - 2² = 20145426307 is a prime.

Together with 20145426313, 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 (20145426313) 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, 10072713155 + 10072713156.

It is an arithmetic number, because the mean of its divisors is an integer number (10072713156).

Almost surely, 2^20145426311 is an apocalyptic number.

20145426311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20145426311 is an equidigital number, since it uses as much as digits as its factorization.

20145426311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 20145426311 in words is "twenty billion, one hundred forty-five million, four hundred twenty-six thousand, three hundred eleven".