253304553112 has 64 divisors (see below), whose sum is σ = 524114740800. Its totient is φ = 114023669760.

The previous prime is 253304553109. The next prime is 253304553121. The reversal of 253304553112 is 211355403352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18443464 + ... + 18457192.

It is an arithmetic number, because the mean of its divisors is an integer number (8189292825).

Almost surely, 2^253304553112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253304553112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262057370400).

253304553112 is an abundant number, since it is smaller than the sum of its proper divisors (270810187688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253304553112 is a wasteful number, since it uses less digits than its factorization.

253304553112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18116 (or 18112 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 253304553112 its reverse (211355403352), we get a palindrome (464659956464).

The spelling of 253304553112 in words is "two hundred fifty-three billion, three hundred four million, five hundred fifty-three thousand, one hundred twelve".