12053454554 has 16 divisors (see below), whose sum is σ = 18599197128. Its totient is φ = 5854254912.

The previous prime is 12053454533. The next prime is 12053454601. The reversal of 12053454554 is 45545435021.

It can be written as a sum of positive squares in 4 ways, for example, as 11518226329 + 535228225 = 107323^2 + 23135^2 .

It is an unprimeable number.

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, 87497 + ... + 178220.

Almost surely, 2^12053454554 is an apocalyptic number.

12053454554 is a deficient number, since it is larger than the sum of its proper divisors (6545742574).

12053454554 is a wasteful number, since it uses less digits than its factorization.

12053454554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266369.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 12053454554 its reverse (45545435021), we get a palindrome (57598889575).

The spelling of 12053454554 in words is "twelve billion, fifty-three million, four hundred fifty-four thousand, five hundred fifty-four".