51650601011 has 4 divisors (see below), whose sum is σ = 51655849800. Its totient is φ = 51645352224.

The previous prime is 51650600987. The next prime is 51650601019. The reversal of 51650601011 is 11010605615.

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

It is a cyclic number.

It is not a de Polignac number, because 51650601011 - 2³⁰ = 50576859187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51650601019) 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, 2609606 + ... + 2629323.

It is an arithmetic number, because the mean of its divisors is an integer number (12913962450).

Almost surely, 2^51650601011 is an apocalyptic number.

51650601011 is a deficient number, since it is larger than the sum of its proper divisors (5248789).

51650601011 is an equidigital number, since it uses as much as digits as its factorization.

51650601011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248788.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 51650601011 in words is "fifty-one billion, six hundred fifty million, six hundred one thousand, eleven".