254120542544109 has 8 divisors (see below), whose sum is σ = 358758413003520. Its totient is φ = 159448183557056.

The previous prime is 254120542544107. The next prime is 254120542544191. The reversal of 254120542544109 is 901445245021452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254120542544109 - 2¹ = 254120542544107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254120542544107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491377868029 + ... + 2491377868130.

It is an arithmetic number, because the mean of its divisors is an integer number (44844801625440).

Almost surely, 2^{254120542544109} is an apocalyptic number.

It is an amenable number.

254120542544109 is a deficient number, since it is larger than the sum of its proper divisors (104637870459411).

254120542544109 is a wasteful number, since it uses less digits than its factorization.

254120542544109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982755736179.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 254120542544109 in words is "two hundred fifty-four trillion, one hundred twenty billion, five hundred forty-two million, five hundred forty-four thousand, one hundred nine".