254343054101111 has 2 divisors, whose sum is σ = 254343054101112. Its totient is φ = 254343054101110.

The previous prime is 254343054101057. The next prime is 254343054101131. The reversal of 254343054101111 is 111101450343452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254343054101111 - 2³⁴ = 254325874231927 is a prime.

It is a super-2 number, since 2×254343054101111² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254343054101131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127171527050555 + 127171527050556.

It is an arithmetic number, because the mean of its divisors is an integer number (127171527050556).

Almost surely, 2^{254343054101111} is an apocalyptic number.

254343054101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

254343054101111 is an equidigital number, since it uses as much as digits as its factorization.

254343054101111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 254343054101111 in words is "two hundred fifty-four trillion, three hundred forty-three billion, fifty-four million, one hundred one thousand, one hundred eleven".