51381344588523 has 16 divisors (see below), whose sum is σ = 74498865288480. Its totient is φ = 31367943277056.

The previous prime is 51381344588503. The next prime is 51381344588549. The reversal of 51381344588523 is 32588544318315.

It is not a de Polignac number, because 51381344588523 - 2¹⁴ = 51381344572139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51381344588503) 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, 13614556828 + ... + 13614560601.

It is an arithmetic number, because the mean of its divisors is an integer number (4656179080530).

Almost surely, 2^{51381344588523} is an apocalyptic number.

51381344588523 is a deficient number, since it is larger than the sum of its proper divisors (23117520699957).

51381344588523 is a wasteful number, since it uses less digits than its factorization.

51381344588523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27229117486.

The product of its digits is 55296000, while the sum is 60.

The spelling of 51381344588523 in words is "fifty-one trillion, three hundred eighty-one billion, three hundred forty-four million, five hundred eighty-eight thousand, five hundred twenty-three".