11522136661 has 8 divisors (see below), whose sum is σ = 13298534784. Its totient is φ = 9778333200.

The previous prime is 11522136641. The next prime is 11522136667. The reversal of 11522136661 is 16663122511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11522136661 - 2⁵ = 11522136629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522136667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8147905 + ... + 8149318.

It is an arithmetic number, because the mean of its divisors is an integer number (1662316848).

Almost surely, 2^11522136661 is an apocalyptic number.

It is an amenable number.

11522136661 is a deficient number, since it is larger than the sum of its proper divisors (1776398123).

11522136661 is a wasteful number, since it uses less digits than its factorization.

11522136661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16297331.

The product of its digits is 12960, while the sum is 34.

The spelling of 11522136661 in words is "eleven billion, five hundred twenty-two million, one hundred thirty-six thousand, six hundred sixty-one".