11031382528 has 40 divisors (see below), whose sum is σ = 22052913300. Its totient is φ = 5512765440.

The previous prime is 11031382513. The next prime is 11031382553. The reversal of 11031382528 is 82528313011.

It can be written as a sum of positive squares in 2 ways, for example, as 10607352064 + 424030464 = 102992^2 + 20592^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11031382493 and 11031382502.

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, 1214548 + ... + 1223596.

Almost surely, 2^11031382528 is an apocalyptic number.

It is an amenable number.

11031382528 is a deficient number, since it is larger than the sum of its proper divisors (11021530772).

11031382528 is an frugal number, since it uses more digits than its factorization.

11031382528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448 (or 11432 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

Adding to 11031382528 its reverse (82528313011), we get a palindrome (93559695539).

The spelling of 11031382528 in words is "eleven billion, thirty-one million, three hundred eighty-two thousand, five hundred twenty-eight".