11481457252 has 12 divisors (see below), whose sum is σ = 20127866220. Its totient is φ = 5730638336.

The previous prime is 11481457223. The next prime is 11481457303. The reversal of 11481457252 is 25275418411.

It can be written as a sum of positive squares in 2 ways, for example, as 2844728896 + 8636728356 = 53336^2 + 92934^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520013 + ... + 2524564.

It is an arithmetic number, because the mean of its divisors is an integer number (1677322185).

Almost surely, 2^11481457252 is an apocalyptic number.

It is an amenable number.

11481457252 is a deficient number, since it is larger than the sum of its proper divisors (8646408968).

11481457252 is a wasteful number, since it uses less digits than its factorization.

11481457252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045150 (or 5045148 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The spelling of 11481457252 in words is "eleven billion, four hundred eighty-one million, four hundred fifty-seven thousand, two hundred fifty-two".