11457117252 has 120 divisors (see below), whose sum is σ = 34810480320. Its totient is φ = 3217942080.

The previous prime is 11457117239. The next prime is 11457117257. The reversal of 11457117252 is 25271175411.

It is a happy number.

11457117252 is a `hidden beast` number, since 1 + 14 + 571 + 1 + 72 + 5 + 2 = 666.

11457117252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11457117257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91002 + ... + 176622.

It is an arithmetic number, because the mean of its divisors is an integer number (290087336).

Almost surely, 2^11457117252 is an apocalyptic number.

11457117252 is a gapful number since it is divisible by the number (12) 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 11457117252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17405240160).

11457117252 is an abundant number, since it is smaller than the sum of its proper divisors (23353363068).

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

11457117252 is a wasteful number, since it uses less digits than its factorization.

11457117252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85703 (or 85692 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The spelling of 11457117252 in words is "eleven billion, four hundred fifty-seven million, one hundred seventeen thousand, two hundred fifty-two".