2541865845904 has 80 divisors (see below), whose sum is σ = 6157195914240. Its totient is φ = 987578570880.

The previous prime is 2541865845851. The next prime is 2541865845973. The reversal of 2541865845904 is 4095485681452.

It is a super-3 number, since 3×2541865845904³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431254 + ... + 3315829.

It is an arithmetic number, because the mean of its divisors is an integer number (76964948928).

Almost surely, 2^{2541865845904} is an apocalyptic number.

It is an amenable number.

2541865845904 is an abundant number, since it is smaller than the sum of its proper divisors (3615330068336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541865845904 is a wasteful number, since it uses less digits than its factorization.

2541865845904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747468 (or 5747462 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 61.

The spelling of 2541865845904 in words is "two trillion, five hundred forty-one billion, eight hundred sixty-five million, eight hundred forty-five thousand, nine hundred four".