254401111115497 has 4 divisors (see below), whose sum is σ = 254411242203136. Its totient is φ = 254390980027860.

The previous prime is 254401111115477. The next prime is 254401111115521. The reversal of 254401111115497 is 794511111104452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254401111115497 - 2⁷ = 254401111115369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254401111115477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065506153 + ... + 5065556374.

It is an arithmetic number, because the mean of its divisors is an integer number (63602810550784).

Almost surely, 2^{254401111115497} is an apocalyptic number.

It is an amenable number.

254401111115497 is a deficient number, since it is larger than the sum of its proper divisors (10131087639).

254401111115497 is a wasteful number, since it uses less digits than its factorization.

254401111115497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131087638.

The product of its (nonzero) digits is 201600, while the sum is 46.

The spelling of 254401111115497 in words is "two hundred fifty-four trillion, four hundred one billion, one hundred eleven million, one hundred fifteen thousand, four hundred ninety-seven".