220050145455551 has 2 divisors, whose sum is σ = 220050145455552. Its totient is φ = 220050145455550.

The previous prime is 220050145455487. The next prime is 220050145455557. The reversal of 220050145455551 is 155554541050022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220050145455551 - 2⁶ = 220050145455487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220050145455557) 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, 110025072727775 + 110025072727776.

It is an arithmetic number, because the mean of its divisors is an integer number (110025072727776).

Almost surely, 2^{220050145455551} is an apocalyptic number.

220050145455551 is a deficient number, since it is larger than the sum of its proper divisors (1).

220050145455551 is an equidigital number, since it uses as much as digits as its factorization.

220050145455551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000000, while the sum is 44.

The spelling of 220050145455551 in words is "two hundred twenty trillion, fifty billion, one hundred forty-five million, four hundred fifty-five thousand, five hundred fifty-one".