2541517243806 has 16 divisors (see below), whose sum is σ = 5220413798544. Its totient is φ = 824275862784.

The previous prime is 2541517243801. The next prime is 2541517243823. The reversal of 2541517243806 is 6083427151452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541517243801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5724137715 + ... + 5724138158.

It is an arithmetic number, because the mean of its divisors is an integer number (326275862409).

Almost surely, 2^{2541517243806} is an apocalyptic number.

2541517243806 is an abundant number, since it is smaller than the sum of its proper divisors (2678896554738).

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

2541517243806 is a wasteful number, since it uses less digits than its factorization.

2541517243806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11448275915.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 2541517243806 in words is "two trillion, five hundred forty-one billion, five hundred seventeen million, two hundred forty-three thousand, eight hundred six".