1253114355320 has 128 divisors (see below), whose sum is σ = 3101621207040. Its totient is φ = 454113707520.

The previous prime is 1253114355257. The next prime is 1253114355323. The reversal of 1253114355320 is 235534113521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253114355323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873014 + ... + 1807866.

It is an arithmetic number, because the mean of its divisors is an integer number (24231415680).

Almost surely, 2^{1253114355320} is an apocalyptic number.

1253114355320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253114355320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550810603520).

1253114355320 is an abundant number, since it is smaller than the sum of its proper divisors (1848506851720).

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

1253114355320 is a wasteful number, since it uses less digits than its factorization.

1253114355320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934965 (or 934961 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 1253114355320 its reverse (235534113521), we get a palindrome (1488648468841).

The spelling of 1253114355320 in words is "one trillion, two hundred fifty-three billion, one hundred fourteen million, three hundred fifty-five thousand, three hundred twenty".