2455817378159 has 4 divisors (see below), whose sum is σ = 2456582671920. Its totient is φ = 2455052084400.

The previous prime is 2455817378111. The next prime is 2455817378171. The reversal of 2455817378159 is 9518737185542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2455817378159 - 2¹² = 2455817374063 is a prime.

It is a super-3 number, since 3×2455817378159³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2455817378095 and 2455817378104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455817378059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382642067 + ... + 382648484.

It is an arithmetic number, because the mean of its divisors is an integer number (614145667980).

Almost surely, 2^{2455817378159} is an apocalyptic number.

2455817378159 is a deficient number, since it is larger than the sum of its proper divisors (765293761).

2455817378159 is an equidigital number, since it uses as much as digits as its factorization.

2455817378159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765293760.

The product of its digits is 84672000, while the sum is 65.

The spelling of 2455817378159 in words is "two trillion, four hundred fifty-five billion, eight hundred seventeen million, three hundred seventy-eight thousand, one hundred fifty-nine".