11455559147889 has 6 divisors (see below), whose sum is σ = 16546918769186. Its totient is φ = 7637039431920.

The previous prime is 11455559147839. The next prime is 11455559147917. The reversal of 11455559147889 is 98874195555411.

11455559147889 is a `hidden beast` number, since 1 + 1 + 4 + 55 + 559 + 14 + 7 + 8 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10257716456289 + 1197842691600 = 3202767^2 + 1094460^2 .

It is not a de Polignac number, because 11455559147889 - 2⁷ = 11455559147761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11455559147839) 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 5 ways as a sum of consecutive naturals, for example, 636419952652 + ... + 636419952669.

Almost surely, 2^{11455559147889} is an apocalyptic number.

It is an amenable number.

11455559147889 is a deficient number, since it is larger than the sum of its proper divisors (5091359621297).

11455559147889 is a wasteful number, since it uses less digits than its factorization.

11455559147889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272839905327 (or 1272839905324 counting only the distinct ones).

The product of its digits is 362880000, while the sum is 72.

The spelling of 11455559147889 in words is "eleven trillion, four hundred fifty-five billion, five hundred fifty-nine million, one hundred forty-seven thousand, eight hundred eighty-nine".