11813278482 has 24 divisors (see below), whose sum is σ = 25629100380. Its totient is φ = 3932580480.

The previous prime is 11813278457. The next prime is 11813278487. The reversal of 11813278482 is 28487231811.

It can be written as a sum of positive squares in 2 ways, for example, as 11811559761 + 1718721 = 108681^2 + 1311^2 .

It is not an unprimeable number, because it can be changed into a prime (11813278487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417507 + ... + 444902.

Almost surely, 2^11813278482 is an apocalyptic number.

11813278482 is an abundant number, since it is smaller than the sum of its proper divisors (13815821898).

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

11813278482 is a wasteful number, since it uses less digits than its factorization.

11813278482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863178 (or 863175 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The spelling of 11813278482 in words is "eleven billion, eight hundred thirteen million, two hundred seventy-eight thousand, four hundred eighty-two".