51340447131415 has 64 divisors (see below), whose sum is σ = 67364500896000. Its totient is φ = 37336269164544.

The previous prime is 51340447131409. The next prime is 51340447131431. The reversal of 51340447131415 is 51413174404315.

51340447131415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51340447131415 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6678862702 + ... + 6678870388.

It is an arithmetic number, because the mean of its divisors is an integer number (1052570326500).

Almost surely, 2^{51340447131415} is an apocalyptic number.

51340447131415 is a deficient number, since it is larger than the sum of its proper divisors (16024053764585).

51340447131415 is a wasteful number, since it uses less digits than its factorization.

51340447131415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 51340447131415 in words is "fifty-one trillion, three hundred forty billion, four hundred forty-seven million, one hundred thirty-one thousand, four hundred fifteen".