11522513530 has 32 divisors (see below), whose sum is σ = 22633950528. Its totient is φ = 4188537600.

The previous prime is 11522513507. The next prime is 11522513549. The reversal of 11522513530 is 3531522511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326529 + ... + 360091.

It is an arithmetic number, because the mean of its divisors is an integer number (707310954).

Almost surely, 2^11522513530 is an apocalyptic number.

11522513530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11522513530 is a deficient number, since it is larger than the sum of its proper divisors (11111436998).

11522513530 is a wasteful number, since it uses less digits than its factorization.

11522513530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36702.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 11522513530 in words is "eleven billion, five hundred twenty-two million, five hundred thirteen thousand, five hundred thirty".