11522556516 has 12 divisors (see below), whose sum is σ = 26885965232. Its totient is φ = 3840852168.

The previous prime is 11522556431. The next prime is 11522556527. The reversal of 11522556516 is 61565522511.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480106510 + ... + 480106533.

Almost surely, 2^11522556516 is an apocalyptic number.

It is an amenable number.

11522556516 is an abundant number, since it is smaller than the sum of its proper divisors (15363408716).

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

11522556516 is a wasteful number, since it uses less digits than its factorization.

11522556516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960213050 (or 960213048 counting only the distinct ones).

The product of its digits is 90000, while the sum is 39.

The spelling of 11522556516 in words is "eleven billion, five hundred twenty-two million, five hundred fifty-six thousand, five hundred sixteen".