555555255025 has 24 divisors (see below), whose sum is σ = 706489781760. Its totient is φ = 433167692160.

The previous prime is 555555255023. The next prime is 555555255037. The reversal of 555555255025 is 520552555555.

It is not a de Polignac number, because 555555255025 - 2¹ = 555555255023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555555255025.

It is not an unprimeable number, because it can be changed into a prime (555555255023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708324 + ... + 1269973.

It is an arithmetic number, because the mean of its divisors is an integer number (29437074240).

Almost surely, 2^555555255025 is an apocalyptic number.

It is an amenable number.

555555255025 is a deficient number, since it is larger than the sum of its proper divisors (150934526735).

555555255025 is a wasteful number, since it uses less digits than its factorization.

555555255025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978593 (or 1978588 counting only the distinct ones).

The product of its (nonzero) digits is 7812500, while the sum is 49.

The spelling of 555555255025 in words is "five hundred fifty-five billion, five hundred fifty-five million, two hundred fifty-five thousand, twenty-five".