5401255405109 has 2 divisors, whose sum is σ = 5401255405110. Its totient is φ = 5401255405108.

The previous prime is 5401255405067. The next prime is 5401255405123. The reversal of 5401255405109 is 9015045521045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5174396572900 + 226858832209 = 2274730^2 + 476297^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401255405109 - 2¹² = 5401255401013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401255405129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700627702554 + 2700627702555.

It is an arithmetic number, because the mean of its divisors is an integer number (2700627702555).

Almost surely, 2^{5401255405109} is an apocalyptic number.

It is an amenable number.

5401255405109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401255405109 is an equidigital number, since it uses as much as digits as its factorization.

5401255405109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 5401255405109 in words is "five trillion, four hundred one billion, two hundred fifty-five million, four hundred five thousand, one hundred nine".