50778205402512 has 160 divisors (see below), whose sum is σ = 157815249177600. Its totient is φ = 13743754182144.

The previous prime is 50778205402511. The next prime is 50778205402583. The reversal of 50778205402512 is 21520450287705.

50778205402512 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 2×50778205402512² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (50778205402511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127346878 + ... + 127744994.

It is an arithmetic number, because the mean of its divisors is an integer number (986345307360).

Almost surely, 2^{50778205402512} is an apocalyptic number.

It is an amenable number.

50778205402512 is an abundant number, since it is smaller than the sum of its proper divisors (107037043775088).

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

50778205402512 is a wasteful number, since it uses less digits than its factorization.

50778205402512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418133 (or 418127 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 48.

The spelling of 50778205402512 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred two thousand, five hundred twelve".