12054588806557 has 8 divisors (see below), whose sum is σ = 13150504573920. Its totient is φ = 10958680382160.

The previous prime is 12054588806551. The next prime is 12054588806567. The reversal of 12054588806557 is 75560888545021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12054588806557 - 2²⁷ = 12054454588829 is a prime.

It is a super-2 number, since 2×12054588806557² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054588806551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1933263 + ... + 5276995.

It is an arithmetic number, because the mean of its divisors is an integer number (1643813071740).

Almost surely, 2^{12054588806557} is an apocalyptic number.

It is an amenable number.

12054588806557 is a deficient number, since it is larger than the sum of its proper divisors (1095915767363).

12054588806557 is a wasteful number, since it uses less digits than its factorization.

12054588806557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671483.

The product of its (nonzero) digits is 107520000, while the sum is 64.

The spelling of 12054588806557 in words is "twelve trillion, fifty-four billion, five hundred eighty-eight million, eight hundred six thousand, five hundred fifty-seven".