5040787066561 has 4 divisors (see below), whose sum is σ = 5051053435824. Its totient is φ = 5030520697300.

The previous prime is 5040787066547. The next prime is 5040787066571. The reversal of 5040787066561 is 1656607870405.

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 not a de Polignac number, because 5040787066561 - 2⁷ = 5040787066433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5040787066571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5133183895 + ... + 5133184876.

It is an arithmetic number, because the mean of its divisors is an integer number (1262763358956).

Almost surely, 2^{5040787066561} is an apocalyptic number.

It is an amenable number.

5040787066561 is a deficient number, since it is larger than the sum of its proper divisors (10266369263).

5040787066561 is a wasteful number, since it uses less digits than its factorization.

5040787066561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10266369262.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 5040787066561 in words is "five trillion, forty billion, seven hundred eighty-seven million, sixty-six thousand, five hundred sixty-one".