51421547536110 has 192 divisors, whose sum is σ = 142115687887680. Its totient is φ = 12875264962560.

The previous prime is 51421547536103. The next prime is 51421547536111. The reversal of 51421547536110 is 1163574512415.

51421547536110 is a `hidden beast` number, since 5 + 1 + 4 + 21 + 5 + 4 + 7 + 5 + 3 + 611 + 0 = 666.

51421547536110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51421547536111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 193296790 + ... + 193562630.

It is an arithmetic number, because the mean of its divisors is an integer number (740185874415).

Almost surely, 2^{51421547536110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51421547536110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71057843943840).

51421547536110 is an abundant number, since it is smaller than the sum of its proper divisors (90694140351570).

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

51421547536110 is a wasteful number, since it uses less digits than its factorization.

51421547536110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267923 (or 267920 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 51421547536110 in words is "fifty-one trillion, four hundred twenty-one billion, five hundred forty-seven million, five hundred thirty-six thousand, one hundred ten".