1254454120111 has 2 divisors, whose sum is σ = 1254454120112. Its totient is φ = 1254454120110.

The previous prime is 1254454120097. The next prime is 1254454120147. The reversal of 1254454120111 is 1110214544521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1254454120111 - 2⁵ = 1254454120079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254454120211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627227060055 + 627227060056.

It is an arithmetic number, because the mean of its divisors is an integer number (627227060056).

Almost surely, 2^{1254454120111} is an apocalyptic number.

1254454120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254454120111 is an equidigital number, since it uses as much as digits as its factorization.

1254454120111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 1254454120111 its reverse (1110214544521), we get a palindrome (2364668664632).

The spelling of 1254454120111 in words is "one trillion, two hundred fifty-four billion, four hundred fifty-four million, one hundred twenty thousand, one hundred eleven".