11530266330 has 32 divisors (see below), whose sum is σ = 30188334528. Its totient is φ = 2795216000.

The previous prime is 11530266323. The next prime is 11530266361. The reversal of 11530266330 is 3366203511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17469771 + ... + 17470430.

It is an arithmetic number, because the mean of its divisors is an integer number (943385454).

Almost surely, 2^11530266330 is an apocalyptic number.

11530266330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11530266330 is an abundant number, since it is smaller than the sum of its proper divisors (18658068198).

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

11530266330 is a wasteful number, since it uses less digits than its factorization.

11530266330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34940222.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 11530266330 its reverse (3366203511), we get a palindrome (14896469841).

The spelling of 11530266330 in words is "eleven billion, five hundred thirty million, two hundred sixty-six thousand, three hundred thirty".