51310607412 has 12 divisors (see below), whose sum is σ = 119724750656. Its totient is φ = 17103535800.

The previous prime is 51310607393. The next prime is 51310607417. The reversal of 51310607412 is 21470601315.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51310607412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51310607417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137941964 + ... + 2137941987.

Almost surely, 2^51310607412 is an apocalyptic number.

It is an amenable number.

51310607412 is an abundant number, since it is smaller than the sum of its proper divisors (68414143244).

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

51310607412 is a wasteful number, since it uses less digits than its factorization.

51310607412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275883958 (or 4275883956 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 51310607412 in words is "fifty-one billion, three hundred ten million, six hundred seven thousand, four hundred twelve".