254401111115539 has 2 divisors, whose sum is σ = 254401111115540. Its totient is φ = 254401111115538.

The previous prime is 254401111115533. The next prime is 254401111115597. The reversal of 254401111115539 is 935511111104452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254401111115539 - 2¹⁷ = 254401110984467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254401111115495 and 254401111115504.

It is not a weakly prime, because it can be changed into another prime (254401111115533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127200555557769 + 127200555557770.

It is an arithmetic number, because the mean of its divisors is an integer number (127200555557770).

Almost surely, 2^{254401111115539} is an apocalyptic number.

254401111115539 is a deficient number, since it is larger than the sum of its proper divisors (1).

254401111115539 is an equidigital number, since it uses as much as digits as its factorization.

254401111115539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 43.

The spelling of 254401111115539 in words is "two hundred fifty-four trillion, four hundred one billion, one hundred eleven million, one hundred fifteen thousand, five hundred thirty-nine".