51151843008 has 224 divisors, whose sum is σ = 172757713920. Its totient is φ = 14538424320.

The previous prime is 51151842943. The next prime is 51151843009. The reversal of 51151843008 is 80034815115.

51151843008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×51151843008² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51151843009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2323573 + ... + 2345483.

Almost surely, 2^51151843008 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 51151843008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86378856960).

51151843008 is an abundant number, since it is smaller than the sum of its proper divisors (121605870912).

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

51151843008 is a wasteful number, since it uses less digits than its factorization.

51151843008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132 (or 22116 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 51151843008 in words is "fifty-one billion, one hundred fifty-one million, eight hundred forty-three thousand, eight".