51780738030112 has 96 divisors (see below), whose sum is σ = 127056923481600. Its totient is φ = 20225387639808.

The previous prime is 51780738030089. The next prime is 51780738030113. The reversal of 51780738030112 is 21103083708715.

It is not an unprimeable number, because it can be changed into a prime (51780738030113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112313287 + ... + 112773382.

It is an arithmetic number, because the mean of its divisors is an integer number (1323509619600).

Almost surely, 2^{51780738030112} is an apocalyptic number.

51780738030112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51780738030112 is an abundant number, since it is smaller than the sum of its proper divisors (75276185451488).

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

51780738030112 is a wasteful number, since it uses less digits than its factorization.

51780738030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225086778 (or 225086770 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 51780738030112 in words is "fifty-one trillion, seven hundred eighty billion, seven hundred thirty-eight million, thirty thousand, one hundred twelve".