12054552204155 has 4 divisors (see below), whose sum is σ = 14465462644992. Its totient is φ = 9643641763320.

The previous prime is 12054552204143. The next prime is 12054552204169. The reversal of 12054552204155 is 55140225545021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12054552204155 - 2¹⁸ = 12054551942011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205455220411 + ... + 1205455220420.

It is an arithmetic number, because the mean of its divisors is an integer number (3616365661248).

Almost surely, 2^{12054552204155} is an apocalyptic number.

12054552204155 is a deficient number, since it is larger than the sum of its proper divisors (2410910440837).

12054552204155 is an equidigital number, since it uses as much as digits as its factorization.

12054552204155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410910440836.

The product of its (nonzero) digits is 400000, while the sum is 41.

Adding to 12054552204155 its reverse (55140225545021), we get a palindrome (67194777749176).

The spelling of 12054552204155 in words is "twelve trillion, fifty-four billion, five hundred fifty-two million, two hundred four thousand, one hundred fifty-five".