51332199036 has 12 divisors (see below), whose sum is σ = 119775131112. Its totient is φ = 17110733008.

The previous prime is 51332199013. The next prime is 51332199067. The reversal of 51332199036 is 63099123315.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138841615 + ... + 2138841638.

It is an arithmetic number, because the mean of its divisors is an integer number (9981260926).

Almost surely, 2^51332199036 is an apocalyptic number.

It is an amenable number.

51332199036 is an abundant number, since it is smaller than the sum of its proper divisors (68442932076).

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

51332199036 is a wasteful number, since it uses less digits than its factorization.

51332199036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277683260 (or 4277683258 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The spelling of 51332199036 in words is "fifty-one billion, three hundred thirty-two million, one hundred ninety-nine thousand, thirty-six".