5003773764561 has 64 divisors (see below), whose sum is σ = 8720486557440. Its totient is φ = 2795614456320.

The previous prime is 5003773764529. The next prime is 5003773764629. The reversal of 5003773764561 is 1654673773005.

5003773764561 is a `hidden beast` number, since 5 + 0 + 0 + 3 + 7 + 7 + 3 + 76 + 4 + 561 = 666.

It is not a de Polignac number, because 5003773764561 - 2⁵ = 5003773764529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5003773764498 and 5003773764507.

It is not an unprimeable number, because it can be changed into a prime (5003773763561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2066781 + ... + 3778773.

It is an arithmetic number, because the mean of its divisors is an integer number (136257602460).

Almost surely, 2^{5003773764561} is an apocalyptic number.

It is an amenable number.

5003773764561 is a deficient number, since it is larger than the sum of its proper divisors (3716712792879).

5003773764561 is a wasteful number, since it uses less digits than its factorization.

5003773764561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712783 (or 1712777 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 54.

The spelling of 5003773764561 in words is "five trillion, three billion, seven hundred seventy-three million, seven hundred sixty-four thousand, five hundred sixty-one".