51032543651320 has 192 divisors, whose sum is σ = 146279578462560. Its totient is φ = 15844353638400.

The previous prime is 51032543651291. The next prime is 51032543651357. The reversal of 51032543651320 is 2315634523015.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 935860 + ... + 10145980.

Almost surely, 2^{51032543651320} 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 51032543651320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73139789231280).

51032543651320 is an abundant number, since it is smaller than the sum of its proper divisors (95247034811240).

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

51032543651320 is a wasteful number, since it uses less digits than its factorization.

51032543651320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9210414 (or 9210403 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 51032543651320 in words is "fifty-one trillion, thirty-two billion, five hundred forty-three million, six hundred fifty-one thousand, three hundred twenty".