4255725280129 has 4 divisors (see below), whose sum is σ = 4255729681840. Its totient is φ = 4255720878420.

The previous prime is 4255725280123. The next prime is 4255725280187. The reversal of 4255725280129 is 9210825275524.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4255725280129 - 2⁵ = 4255725280097 is a prime.

It is a super-2 number, since 2×4255725280129² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4255725280123) 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, 49827 + ... + 2917864.

It is an arithmetic number, because the mean of its divisors is an integer number (1063932420460).

Almost surely, 2^{4255725280129} is an apocalyptic number.

It is an amenable number.

4255725280129 is a deficient number, since it is larger than the sum of its proper divisors (4401711).

4255725280129 is a wasteful number, since it uses less digits than its factorization.

4255725280129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401710.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 4255725280129 in words is "four trillion, two hundred fifty-five billion, seven hundred twenty-five million, two hundred eighty thousand, one hundred twenty-nine".