51064511711250 has 80 divisors (see below), whose sum is σ = 127689021383616. Its totient is φ = 13609884120000.

The previous prime is 51064511711189. The next prime is 51064511711273. The reversal of 51064511711250 is 5211711546015.

It is a junction number, because it is equal to n+sod(n) for n = 51064511711199 and 51064511711208.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3320179 + ... + 10637321.

Almost surely, 2^{51064511711250} is an apocalyptic number.

51064511711250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51064511711250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63844510691808).

51064511711250 is an abundant number, since it is smaller than the sum of its proper divisors (76624509672366).

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

51064511711250 is a wasteful number, since it uses less digits than its factorization.

51064511711250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7319029 (or 7319014 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 39.

The spelling of 51064511711250 in words is "fifty-one trillion, sixty-four billion, five hundred eleven million, seven hundred eleven thousand, two hundred fifty".