253110553525 has 12 divisors (see below), whose sum is σ = 327503047392. Its totient is φ = 193684597040.

The previous prime is 253110553523. The next prime is 253110553529. The reversal of 253110553525 is 525355011352.

It is not a de Polignac number, because 253110553525 - 2¹ = 253110553523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253110553523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220095559 + ... + 220096708.

It is an arithmetic number, because the mean of its divisors is an integer number (27291920616).

Almost surely, 2^253110553525 is an apocalyptic number.

253110553525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253110553525 is a deficient number, since it is larger than the sum of its proper divisors (74392493867).

253110553525 is a wasteful number, since it uses less digits than its factorization.

253110553525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440192300 (or 440192295 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

Adding to 253110553525 its reverse (525355011352), we get a palindrome (778465564877).

The spelling of 253110553525 in words is "two hundred fifty-three billion, one hundred ten million, five hundred fifty-three thousand, five hundred twenty-five".