625144415255 has 16 divisors (see below), whose sum is σ = 793197189120. Its totient is φ = 471669010848.

The previous prime is 625144415221. The next prime is 625144415257. The reversal of 625144415255 is 552514441526.

It is a cyclic number.

It is not a de Polignac number, because 625144415255 - 2¹⁴ = 625144398871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625144415257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14733227 + ... + 14775596.

It is an arithmetic number, because the mean of its divisors is an integer number (49574824320).

Almost surely, 2^625144415255 is an apocalyptic number.

625144415255 is a deficient number, since it is larger than the sum of its proper divisors (168052773865).

625144415255 is a wasteful number, since it uses less digits than its factorization.

625144415255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29509070.

The product of its digits is 960000, while the sum is 44.

The spelling of 625144415255 in words is "six hundred twenty-five billion, one hundred forty-four million, four hundred fifteen thousand, two hundred fifty-five".