11356521356 has 48 divisors (see below), whose sum is σ = 21264638976. Its totient is φ = 5288177664.

The previous prime is 11356521347. The next prime is 11356521361. The reversal of 11356521356 is 65312565311.

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, 3737870 + ... + 3740906.

It is an arithmetic number, because the mean of its divisors is an integer number (443013312).

Almost surely, 2^11356521356 is an apocalyptic number.

It is an amenable number.

11356521356 is a deficient number, since it is larger than the sum of its proper divisors (9908117620).

11356521356 is a wasteful number, since it uses less digits than its factorization.

11356521356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3616 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The spelling of 11356521356 in words is "eleven billion, three hundred fifty-six million, five hundred twenty-one thousand, three hundred fifty-six".