254748881551 has 2 divisors, whose sum is σ = 254748881552. Its totient is φ = 254748881550.

The previous prime is 254748881507. The next prime is 254748881561. The reversal of 254748881551 is 155188847452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254748881551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254748881501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127374440775 + 127374440776.

It is an arithmetic number, because the mean of its divisors is an integer number (127374440776).

Almost surely, 2^254748881551 is an apocalyptic number.

254748881551 is a deficient number, since it is larger than the sum of its proper divisors (1).

254748881551 is an equidigital number, since it uses as much as digits as its factorization.

254748881551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336000, while the sum is 58.

The spelling of 254748881551 in words is "two hundred fifty-four billion, seven hundred forty-eight million, eight hundred eighty-one thousand, five hundred fifty-one".