51305340223359 has 72 divisors (see below), whose sum is σ = 77938596852480. Its totient is φ = 32518673114400.

The previous prime is 51305340223343. The next prime is 51305340223363. The reversal of 51305340223359 is 95332204350315.

51305340223359 is a `hidden beast` number, since 5 + 1 + 3 + 0 + 5 + 3 + 402 + 233 + 5 + 9 = 666.

It is not a de Polignac number, because 51305340223359 - 2⁴ = 51305340223343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51305340222359) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2020598554 + ... + 2020623944.

It is an arithmetic number, because the mean of its divisors is an integer number (1082480511840).

Almost surely, 2^{51305340223359} is an apocalyptic number.

51305340223359 is a deficient number, since it is larger than the sum of its proper divisors (26633256629121).

51305340223359 is a wasteful number, since it uses less digits than its factorization.

51305340223359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27993 (or 27967 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 45.

The spelling of 51305340223359 in words is "fifty-one trillion, three hundred five billion, three hundred forty million, two hundred twenty-three thousand, three hundred fifty-nine".