11661134046 has 8 divisors (see below), whose sum is σ = 23322268104. Its totient is φ = 3887044680.

The previous prime is 11661134033. The next prime is 11661134047. The reversal of 11661134046 is 64043116611.

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

11661134046 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11661133998 and 11661134016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11661134047) 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 3 ways as a sum of consecutive naturals, for example, 971761165 + ... + 971761176.

It is an arithmetic number, because the mean of its divisors is an integer number (2915283513).

Almost surely, 2^11661134046 is an apocalyptic number.

11661134046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11661134046 is a wasteful number, since it uses less digits than its factorization.

11661134046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943522346.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 11661134046 in words is "eleven billion, six hundred sixty-one million, one hundred thirty-four thousand, forty-six".