11546220454066 has 16 divisors (see below), whose sum is σ = 17742015162648. Its totient is φ = 5632219555200.

The previous prime is 11546220454063. The next prime is 11546220454073. The reversal of 11546220454066 is 66045402264511.

It can be written as a sum of positive squares in 4 ways, for example, as 6850023735025 + 4696196719041 = 2617255^2 + 2167071^2 .

It is not an unprimeable number, because it can be changed into a prime (11546220454061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4747816 + ... + 6755308.

Almost surely, 2^{11546220454066} is an apocalyptic number.

11546220454066 is a deficient number, since it is larger than the sum of its proper divisors (6195794708582).

11546220454066 is a wasteful number, since it uses less digits than its factorization.

11546220454066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077677.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 11546220454066 in words is "eleven trillion, five hundred forty-six billion, two hundred twenty million, four hundred fifty-four thousand, sixty-six".