11525510066511 has 32 divisors (see below), whose sum is σ = 18664400222208. Its totient is φ = 6175720558080.

The previous prime is 11525510066491. The next prime is 11525510066513. The reversal of 11525510066511 is 11566001552511.

It is not a de Polignac number, because 11525510066511 - 2¹¹ = 11525510064463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11525510066511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525510066513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59468460 + ... + 59661953.

It is an arithmetic number, because the mean of its divisors is an integer number (583262506944).

Almost surely, 2^{11525510066511} is an apocalyptic number.

11525510066511 is a deficient number, since it is larger than the sum of its proper divisors (7138890155697).

11525510066511 is a wasteful number, since it uses less digits than its factorization.

11525510066511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119130711.

The product of its (nonzero) digits is 45000, while the sum is 39.

The spelling of 11525510066511 in words is "eleven trillion, five hundred twenty-five billion, five hundred ten million, sixty-six thousand, five hundred eleven".