254236431511 has 2 divisors, whose sum is σ = 254236431512. Its totient is φ = 254236431510.

The previous prime is 254236431499. The next prime is 254236431517. The reversal of 254236431511 is 115134632452.

254236431511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254236431511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254236431517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127118215755 + 127118215756.

It is an arithmetic number, because the mean of its divisors is an integer number (127118215756).

Almost surely, 2^254236431511 is an apocalyptic number.

254236431511 is a deficient number, since it is larger than the sum of its proper divisors (1).

254236431511 is an equidigital number, since it uses as much as digits as its factorization.

254236431511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The spelling of 254236431511 in words is "two hundred fifty-four billion, two hundred thirty-six million, four hundred thirty-one thousand, five hundred eleven".