51340240665411 has 8 divisors (see below), whose sum is σ = 71429900056320. Its totient is φ = 32738704192392.

The previous prime is 51340240665407. The next prime is 51340240665451. The reversal of 51340240665411 is 11456604204315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51340240665411 - 2² = 51340240665407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51340240665451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372030729391 + ... + 372030729528.

It is an arithmetic number, because the mean of its divisors is an integer number (8928737507040).

Almost surely, 2^{51340240665411} is an apocalyptic number.

51340240665411 is a deficient number, since it is larger than the sum of its proper divisors (20089659390909).

51340240665411 is a wasteful number, since it uses less digits than its factorization.

51340240665411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744061458945.

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 51340240665411 its reverse (11456604204315), we get a palindrome (62796844869726).

The spelling of 51340240665411 in words is "fifty-one trillion, three hundred forty billion, two hundred forty million, six hundred sixty-five thousand, four hundred eleven".