51184012080 has 160 divisors (see below), whose sum is σ = 168144755904. Its totient is φ = 12835422208.

The previous prime is 51184012069. The next prime is 51184012127. The reversal of 51184012080 is 8021048115.

It is a happy number.

51184012080 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 (30).

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, 5597272 + ... + 5606408.

Almost surely, 2^51184012080 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 51184012080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84072377952).

51184012080 is an abundant number, since it is smaller than the sum of its proper divisors (116960743824).

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

51184012080 is a wasteful number, since it uses less digits than its factorization.

51184012080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10543 (or 10537 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The spelling of 51184012080 in words is "fifty-one billion, one hundred eighty-four million, twelve thousand, eighty".