51106641200 has 30 divisors (see below), whose sum is σ = 122783706444. Its totient is φ = 20442656320.

The previous prime is 51106641181. The next prime is 51106641233. The reversal of 51106641200 is 214660115.

51106641200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51106641200² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51106641200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63882902 + ... + 63883701.

Almost surely, 2^51106641200 is an apocalyptic number.

51106641200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51106641200 is an abundant number, since it is smaller than the sum of its proper divisors (71677065244).

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

51106641200 is a wasteful number, since it uses less digits than its factorization.

51106641200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127766621 (or 127766610 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 51106641200 in words is "fifty-one billion, one hundred six million, six hundred forty-one thousand, two hundred".