11453120252 has 72 divisors (see below), whose sum is σ = 25483344768. Its totient is φ = 4470681600.

The previous prime is 11453120233. The next prime is 11453120281. The reversal of 11453120252 is 25202135411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47852 + ... + 158732.

It is an arithmetic number, because the mean of its divisors is an integer number (353935344).

Almost surely, 2^11453120252 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 11453120252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12741672384).

11453120252 is an abundant number, since it is smaller than the sum of its proper divisors (14030224516).

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

11453120252 is a wasteful number, since it uses less digits than its factorization.

11453120252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110947 (or 110938 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11453120252 its reverse (25202135411), we get a palindrome (36655255663).

The spelling of 11453120252 in words is "eleven billion, four hundred fifty-three million, one hundred twenty thousand, two hundred fifty-two".