12040560555 has 32 divisors (see below), whose sum is σ = 19426176000. Its totient is φ = 6368057472.

The previous prime is 12040560541. The next prime is 12040560557. The reversal of 12040560555 is 55506504021.

It is not a de Polignac number, because 12040560555 - 2⁶ = 12040560491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12040560557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1094221 + ... + 1105169.

It is an arithmetic number, because the mean of its divisors is an integer number (607068000).

Almost surely, 2^12040560555 is an apocalyptic number.

12040560555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12040560555 is a deficient number, since it is larger than the sum of its proper divisors (7385615445).

12040560555 is a wasteful number, since it uses less digits than its factorization.

12040560555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 12040560555 in words is "twelve billion, forty million, five hundred sixty thousand, five hundred fifty-five".