51333440046211 has 4 divisors (see below), whose sum is σ = 51389788499424. Its totient is φ = 51277091593000.

The previous prime is 51333440046191. The next prime is 51333440046241. The reversal of 51333440046211 is 11264004433315.

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 51333440046211 - 2³⁷ = 51196001092739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51333440046241) 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, 28174225240 + ... + 28174227061.

It is an arithmetic number, because the mean of its divisors is an integer number (12847447124856).

Almost surely, 2^{51333440046211} is an apocalyptic number.

51333440046211 is a deficient number, since it is larger than the sum of its proper divisors (56348453213).

51333440046211 is an equidigital number, since it uses as much as digits as its factorization.

51333440046211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56348453212.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 51333440046211 its reverse (11264004433315), we get a palindrome (62597444479526).

The spelling of 51333440046211 in words is "fifty-one trillion, three hundred thirty-three billion, four hundred forty million, forty-six thousand, two hundred eleven".