11521126522536 has 16 divisors (see below), whose sum is σ = 28802816306400. Its totient is φ = 3840375507504.

The previous prime is 11521126522487. The next prime is 11521126522561. The reversal of 11521126522536 is 63522562112511.

It is a happy number.

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, 240023469196 + ... + 240023469243.

It is an arithmetic number, because the mean of its divisors is an integer number (1800176019150).

Almost surely, 2^{11521126522536} is an apocalyptic number.

It is an amenable number.

11521126522536 is an abundant number, since it is smaller than the sum of its proper divisors (17281689783864).

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

11521126522536 is a wasteful number, since it uses less digits than its factorization.

11521126522536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480046938448 (or 480046938444 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The spelling of 11521126522536 in words is "eleven trillion, five hundred twenty-one billion, one hundred twenty-six million, five hundred twenty-two thousand, five hundred thirty-six".