425243425555 has 16 divisors (see below), whose sum is σ = 549562718880. Its totient is φ = 314015989248.

The previous prime is 425243425543. The next prime is 425243425561. The reversal of 425243425555 is 555524342524.

It is not a de Polignac number, because 425243425555 - 2³¹ = 423095941907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2450656 + ... + 2618434.

It is an arithmetic number, because the mean of its divisors is an integer number (34347669930).

Almost surely, 2^425243425555 is an apocalyptic number.

425243425555 is a deficient number, since it is larger than the sum of its proper divisors (124319293325).

425243425555 is a wasteful number, since it uses less digits than its factorization.

425243425555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206790.

The product of its digits is 4800000, while the sum is 46.

The spelling of 425243425555 in words is "four hundred twenty-five billion, two hundred forty-three million, four hundred twenty-five thousand, five hundred fifty-five".