51269869560000 has 4480 divisors, whose sum is σ = 233426463621120. Its totient is φ = 9621504000000.

The previous prime is 51269869559837. The next prime is 51269869560023. The reversal of 51269869560000 is 6596896215.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 339535559925 + ... + 339535560075.

It is an arithmetic number, because the mean of its divisors is an integer number (52104121344).

Almost surely, 2^{51269869560000} is an apocalyptic number.

51269869560000 is a gapful number since it is divisible by the number (50) 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 51269869560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116713231810560).

51269869560000 is an abundant number, since it is smaller than the sum of its proper divisors (182156594061120).

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

51269869560000 is a wasteful number, since it uses less digits than its factorization.

51269869560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 51269869560000 in words is "fifty-one trillion, two hundred sixty-nine billion, eight hundred sixty-nine million, five hundred sixty thousand".