50651606660511 has 16 divisors (see below), whose sum is σ = 67731058917504. Its totient is φ = 33669948838944.

The previous prime is 50651606660507. The next prime is 50651606660521. The reversal of 50651606660511 is 11506660615605.

It is not a de Polignac number, because 50651606660511 - 2² = 50651606660507 is a prime.

It is a super-2 number, since 2×50651606660511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50651606660521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83129481 + ... + 83736573.

It is an arithmetic number, because the mean of its divisors is an integer number (4233191182344).

Almost surely, 2^{50651606660511} is an apocalyptic number.

50651606660511 is a deficient number, since it is larger than the sum of its proper divisors (17079452256993).

50651606660511 is a wasteful number, since it uses less digits than its factorization.

50651606660511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687590.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 50651606660511 in words is "fifty trillion, six hundred fifty-one billion, six hundred six million, six hundred sixty thousand, five hundred eleven".