2005241545061 has 4 divisors (see below), whose sum is σ = 2069926756224. Its totient is φ = 1940556333900.

The previous prime is 2005241545007. The next prime is 2005241545067. The reversal of 2005241545061 is 1605451425002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005241545061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005241545067) 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, 32342605535 + ... + 32342605596.

It is an arithmetic number, because the mean of its divisors is an integer number (517481689056).

Almost surely, 2^{2005241545061} is an apocalyptic number.

It is an amenable number.

2005241545061 is a deficient number, since it is larger than the sum of its proper divisors (64685211163).

2005241545061 is an equidigital number, since it uses as much as digits as its factorization.

2005241545061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64685211162.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 2005241545061 in words is "two trillion, five billion, two hundred forty-one million, five hundred forty-five thousand, sixty-one".