54126111653 has 2 divisors, whose sum is σ = 54126111654. Its totient is φ = 54126111652.

The previous prime is 54126111649. The next prime is 54126111701. The reversal of 54126111653 is 35611162145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41831293729 + 12294817924 = 204527^2 + 110882^2 .

It is a cyclic number.

It is not a de Polignac number, because 54126111653 - 2² = 54126111649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54126111643) 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, 27063055826 + 27063055827.

It is an arithmetic number, because the mean of its divisors is an integer number (27063055827).

Almost surely, 2^54126111653 is an apocalyptic number.

It is an amenable number.

54126111653 is a deficient number, since it is larger than the sum of its proper divisors (1).

54126111653 is an equidigital number, since it uses as much as digits as its factorization.

54126111653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

Adding to 54126111653 its reverse (35611162145), we get a palindrome (89737273798).

The spelling of 54126111653 in words is "fifty-four billion, one hundred twenty-six million, one hundred eleven thousand, six hundred fifty-three".