255625123321 has 16 divisors (see below), whose sum is σ = 271444746240. Its totient is φ = 240051044880.

The previous prime is 255625123307. The next prime is 255625123363. The reversal of 255625123321 is 123321526552.

It is not a de Polignac number, because 255625123321 - 2³¹ = 253477639673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255625123301) 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, 902556 + ... + 1151458.

It is an arithmetic number, because the mean of its divisors is an integer number (16965296640).

Almost surely, 2^255625123321 is an apocalyptic number.

It is an amenable number.

255625123321 is a deficient number, since it is larger than the sum of its proper divisors (15819622919).

255625123321 is a wasteful number, since it uses less digits than its factorization.

255625123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249396.

The product of its digits is 108000, while the sum is 37.

Adding to 255625123321 its reverse (123321526552), we get a palindrome (378946649873).

The spelling of 255625123321 in words is "two hundred fifty-five billion, six hundred twenty-five million, one hundred twenty-three thousand, three hundred twenty-one".