11530153242 has 24 divisors (see below), whose sum is σ = 24983973300. Its totient is φ = 3843080640.

The previous prime is 11530153199. The next prime is 11530153267. The reversal of 11530153242 is 24235103511.

11530153242 is a `hidden beast` number, since 115 + 301 + 5 + 3 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9751760001 + 1778393241 = 98751^2 + 42171^2 .

It is a super-3 number, since 3×11530153242³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433134 + ... + 458982.

Almost surely, 2^11530153242 is an apocalyptic number.

11530153242 is an abundant number, since it is smaller than the sum of its proper divisors (13453820058).

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

11530153242 is a wasteful number, since it uses less digits than its factorization.

11530153242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50638 (or 50635 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11530153242 its reverse (24235103511), we get a palindrome (35765256753).

The spelling of 11530153242 in words is "eleven billion, five hundred thirty million, one hundred fifty-three thousand, two hundred forty-two".