11522985530 has 32 divisors (see below), whose sum is σ = 24188198400. Its totient is φ = 3950736720.

The previous prime is 11522985527. The next prime is 11522985547. The reversal of 11522985530 is 3558922511.

It is a happy number.

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, 1676306 + ... + 1683165.

It is an arithmetic number, because the mean of its divisors is an integer number (755881200).

Almost surely, 2^11522985530 is an apocalyptic number.

11522985530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11522985530 is an abundant number, since it is smaller than the sum of its proper divisors (12665212870).

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

11522985530 is an equidigital number, since it uses as much as digits as its factorization.

11522985530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359499 (or 3359485 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 11522985530 in words is "eleven billion, five hundred twenty-two million, nine hundred eighty-five thousand, five hundred thirty".