625355410055 has 4 divisors (see below), whose sum is σ = 750426492072. Its totient is φ = 500284328040.

The previous prime is 625355410033. The next prime is 625355410117. The reversal of 625355410055 is 550014553526.

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

It is not a de Polignac number, because 625355410055 - 2²⁰ = 625354361479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625355409994 and 625355410021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62535541001 + ... + 62535541010.

It is an arithmetic number, because the mean of its divisors is an integer number (187606623018).

Almost surely, 2^625355410055 is an apocalyptic number.

625355410055 is a deficient number, since it is larger than the sum of its proper divisors (125071082017).

625355410055 is a wasteful number, since it uses less digits than its factorization.

625355410055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125071082016.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 625355410055 in words is "six hundred twenty-five billion, three hundred fifty-five million, four hundred ten thousand, fifty-five".