51483518418 has 16 divisors (see below), whose sum is σ = 105361619616. Its totient is φ = 16762075680.

The previous prime is 51483518393. The next prime is 51483518419. The reversal of 51483518418 is 81481538415.

It is not an unprimeable number, because it can be changed into a prime (51483518419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99774003 + ... + 99774518.

It is an arithmetic number, because the mean of its divisors is an integer number (6585101226).

Almost surely, 2^51483518418 is an apocalyptic number.

51483518418 is an abundant number, since it is smaller than the sum of its proper divisors (53878101198).

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

51483518418 is a wasteful number, since it uses less digits than its factorization.

51483518418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199548569.

The product of its digits is 614400, while the sum is 48.

The spelling of 51483518418 in words is "fifty-one billion, four hundred eighty-three million, five hundred eighteen thousand, four hundred eighteen".