11546541044561 has 8 divisors (see below), whose sum is σ = 11550691666080. Its totient is φ = 11542390828128.

The previous prime is 11546541044551. The next prime is 11546541044569. The reversal of 11546541044561 is 16544014564511.

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 11546541044561 - 2³⁰ = 11545467302737 is a prime.

It is a super-2 number, since 2×11546541044561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11546541044569) 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, 64122110 + ... + 64301928.

It is an arithmetic number, because the mean of its divisors is an integer number (1443836458260).

Almost surely, 2^{11546541044561} is an apocalyptic number.

It is an amenable number.

11546541044561 is a deficient number, since it is larger than the sum of its proper divisors (4150621519).

11546541044561 is a wasteful number, since it uses less digits than its factorization.

11546541044561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202543.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 11546541044561 in words is "eleven trillion, five hundred forty-six billion, five hundred forty-one million, forty-four thousand, five hundred sixty-one".