2541646985159 has 4 divisors (see below), whose sum is σ = 2583313329240. Its totient is φ = 2499980641080.

The previous prime is 2541646985057. The next prime is 2541646985161. The reversal of 2541646985159 is 9515896461452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541646985159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2541646985095 and 2541646985104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541642985159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20833171949 + ... + 20833172070.

It is an arithmetic number, because the mean of its divisors is an integer number (645828332310).

Almost surely, 2^{2541646985159} is an apocalyptic number.

2541646985159 is a deficient number, since it is larger than the sum of its proper divisors (41666344081).

2541646985159 is an equidigital number, since it uses as much as digits as its factorization.

2541646985159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41666344080.

The product of its digits is 93312000, while the sum is 65.

The spelling of 2541646985159 in words is "two trillion, five hundred forty-one billion, six hundred forty-six million, nine hundred eighty-five thousand, one hundred fifty-nine".