253453111044 has 96 divisors (see below), whose sum is σ = 717583749120. Its totient is φ = 67969608192.

The previous prime is 253453111031. The next prime is 253453111069. The reversal of 253453111044 is 440111354352.

253453111044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 253453110996 and 253453111014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282267 + ... + 765885.

It is an arithmetic number, because the mean of its divisors is an integer number (7474830720).

Almost surely, 2^253453111044 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 253453111044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358791874560).

253453111044 is an abundant number, since it is smaller than the sum of its proper divisors (464130638076).

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

253453111044 is a wasteful number, since it uses less digits than its factorization.

253453111044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484017 (or 484015 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 253453111044 its reverse (440111354352), we get a palindrome (693564465396).

The spelling of 253453111044 in words is "two hundred fifty-three billion, four hundred fifty-three million, one hundred eleven thousand, forty-four".