50778201210156 has 36 divisors (see below), whose sum is σ = 146692581274512. Its totient is φ = 14508057488544.

The previous prime is 50778201210151. The next prime is 50778201210157. The reversal of 50778201210156 is 65101210287705.

50778201210156 is a `hidden beast` number, since 507 + 7 + 8 + 2 + 0 + 121 + 0 + 15 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (50778201210151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100750398975 + ... + 100750399478.

It is an arithmetic number, because the mean of its divisors is an integer number (4074793924292).

Almost surely, 2^{50778201210156} is an apocalyptic number.

It is an amenable number.

50778201210156 is an abundant number, since it is smaller than the sum of its proper divisors (95914380064356).

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

50778201210156 is a wasteful number, since it uses less digits than its factorization.

50778201210156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201500798470 (or 201500798465 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 50778201210156 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred one million, two hundred ten thousand, one hundred fifty-six".