208553126147 has 4 divisors (see below), whose sum is σ = 211410018360. Its totient is φ = 205696233936.

The previous prime is 208553126069. The next prime is 208553126203. The reversal of 208553126147 is 741621355802.

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 208553126147 - 2¹⁴ = 208553109763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208553126098 and 208553126107.

It is not an unprimeable number, because it can be changed into a prime (208553126347) 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, 1428445997 + ... + 1428446142.

It is an arithmetic number, because the mean of its divisors is an integer number (52852504590).

Almost surely, 2^208553126147 is an apocalyptic number.

208553126147 is a deficient number, since it is larger than the sum of its proper divisors (2856892213).

208553126147 is an equidigital number, since it uses as much as digits as its factorization.

208553126147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856892212.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 208553126147 in words is "two hundred eight billion, five hundred fifty-three million, one hundred twenty-six thousand, one hundred forty-seven".