253263525255 has 128 divisors (see below), whose sum is σ = 496088893440. Its totient is φ = 121832847360.

The previous prime is 253263525253. The next prime is 253263525271. The reversal of 253263525255 is 552525362352.

253263525255 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 635 + 2 + 5 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 253263525255 - 2¹ = 253263525253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 253263525255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253263525253) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14071372 + ... + 14089358.

It is an arithmetic number, because the mean of its divisors is an integer number (3875694480).

Almost surely, 2^253263525255 is an apocalyptic number.

253263525255 is a deficient number, since it is larger than the sum of its proper divisors (242825368185).

253263525255 is a wasteful number, since it uses less digits than its factorization.

253263525255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18198 (or 18192 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 45.

The spelling of 253263525255 in words is "two hundred fifty-three billion, two hundred sixty-three million, five hundred twenty-five thousand, two hundred fifty-five".