51068703361536 has 480 divisors, whose sum is σ = 178653444697728. Its totient is φ = 13709515161600.

The previous prime is 51068703361531. The next prime is 51068703361541. The reversal of 51068703361536 is 63516330786015.

51068703361536 is a `hidden beast` number, since 5 + 1 + 0 + 6 + 8 + 70 + 3 + 36 + 1 + 536 = 666.

It is an interprime number because it is at equal distance from previous prime (51068703361531) and next prime (51068703361541).

It is not an unprimeable number, because it can be changed into a prime (51068703361531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325094211 + ... + 325251261.

Almost surely, 2^{51068703361536} is an apocalyptic number.

51068703361536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51068703361536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89326722348864).

51068703361536 is an abundant number, since it is smaller than the sum of its proper divisors (127584741336192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51068703361536 is a wasteful number, since it uses less digits than its factorization.

51068703361536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157692 (or 157673 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 51068703361536 in words is "fifty-one trillion, sixty-eight billion, seven hundred three million, three hundred sixty-one thousand, five hundred thirty-six".