255120253125 has 24 divisors (see below), whose sum is σ = 425173224672. Its totient is φ = 136064130000.

The previous prime is 255120253123. The next prime is 255120253127. The reversal of 255120253125 is 521352021552.

It is an interprime number because it is at equal distance from previous prime (255120253123) and next prime (255120253127).

It is not a de Polignac number, because 255120253125 - 2¹ = 255120253123 is a prime.

It is a super-3 number, since 3×255120253125³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255120253123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13597039 + ... + 13615788.

It is an arithmetic number, because the mean of its divisors is an integer number (17715551028).

Almost surely, 2^255120253125 is an apocalyptic number.

255120253125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255120253125 is a deficient number, since it is larger than the sum of its proper divisors (170052971547).

255120253125 is an frugal number, since it uses more digits than its factorization.

255120253125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27212855 (or 27212835 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 255120253125 its reverse (521352021552), we get a palindrome (776472274677).

The spelling of 255120253125 in words is "two hundred fifty-five billion, one hundred twenty million, two hundred fifty-three thousand, one hundred twenty-five".