11011132530 has 48 divisors (see below), whose sum is σ = 28710129240. Its totient is φ = 2927975424.

The previous prime is 11011132511. The next prime is 11011132591. The reversal of 11011132530 is 3523111011.

11011132530 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 1 + 132 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7937206281 + 3073926249 = 89091^2 + 55443^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 141525 + ... + 205064.

Almost surely, 2^11011132530 is an apocalyptic number.

11011132530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011132530 is an abundant number, since it is smaller than the sum of its proper divisors (17698996710).

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

11011132530 is a wasteful number, since it uses less digits than its factorization.

11011132530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346955 (or 346952 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 11011132530 its reverse (3523111011), we get a palindrome (14534243541).

The spelling of 11011132530 in words is "eleven billion, eleven million, one hundred thirty-two thousand, five hundred thirty".