51223405160 has 64 divisors (see below), whose sum is σ = 122963987520. Its totient is φ = 19136865280.

The previous prime is 51223405157. The next prime is 51223405187. The reversal of 51223405160 is 6150432215.

51223405160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198434 + ... + 376593.

It is an arithmetic number, because the mean of its divisors is an integer number (1921312305).

Almost surely, 2^51223405160 is an apocalyptic number.

It is an amenable number.

51223405160 is an abundant number, since it is smaller than the sum of its proper divisors (71740582360).

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

51223405160 is a wasteful number, since it uses less digits than its factorization.

51223405160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575186 (or 575182 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 51223405160 its reverse (6150432215), we get a palindrome (57373837375).

The spelling of 51223405160 in words is "fifty-one billion, two hundred twenty-three million, four hundred five thousand, one hundred sixty".