51412248942064 has 160 divisors (see below), whose sum is σ = 109985767603200. Its totient is φ = 23184914135040.

The previous prime is 51412248942053. The next prime is 51412248942143. The reversal of 51412248942064 is 46024984221415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2949463429 + ... + 2949480859.

It is an arithmetic number, because the mean of its divisors is an integer number (687411047520).

Almost surely, 2^{51412248942064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51412248942064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54992883801600).

51412248942064 is an abundant number, since it is smaller than the sum of its proper divisors (58573518661136).

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

51412248942064 is a wasteful number, since it uses less digits than its factorization.

51412248942064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22143 (or 22137 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 51412248942064 in words is "fifty-one trillion, four hundred twelve billion, two hundred forty-eight million, nine hundred forty-two thousand, sixty-four".