550211505451 has 2 divisors, whose sum is σ = 550211505452. Its totient is φ = 550211505450.

The previous prime is 550211505449. The next prime is 550211505511. The reversal of 550211505451 is 154505112055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550211505451 - 2¹ = 550211505449 is a prime.

Together with 550211505449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (550211505551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275105752725 + 275105752726.

It is an arithmetic number, because the mean of its divisors is an integer number (275105752726).

Almost surely, 2^550211505451 is an apocalyptic number.

550211505451 is a deficient number, since it is larger than the sum of its proper divisors (1).

550211505451 is an equidigital number, since it uses as much as digits as its factorization.

550211505451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 550211505451 in words is "five hundred fifty billion, two hundred eleven million, five hundred five thousand, four hundred fifty-one".